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	<id>https://help18.whiz.me/index.php?action=history&amp;feed=atom&amp;title=Glossary%3APost-lapse_stability</id>
	<title>Glossary:Post-lapse stability - Revision history</title>
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	<updated>2026-04-18T21:17:53Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.0</generator>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9993&amp;oldid=prev</id>
		<title>SuperMemoHelp: LNK: [[SuperMemo Algorithm -&gt; [https://supermemo.guru/wiki/Algorithm_SM-17#Post-lapse_stability SuperMemo Algorithm]</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9993&amp;oldid=prev"/>
		<updated>2019-03-06T09:51:46Z</updated>

		<summary type="html">&lt;p&gt;LNK: [[SuperMemo Algorithm -&amp;gt; [https://supermemo.guru/wiki/Algorithm_SM-17#Post-lapse_stability SuperMemo Algorithm]&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 05:51, 6 March 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;;&amp;lt;span id=&amp;quot;Post-lapse_stability&amp;quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt; (PLS)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;;&amp;lt;span id=&amp;quot;Post-lapse_stability&amp;quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt; (PLS)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &#039;&#039;&#039;Post-lapse stability&#039;&#039;&#039; can be interpreted as &#039;&#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &quot;accident&quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;[[Toolkit menu|Toolkit]] : [[Toolkit menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&#039;&#039;&#039; and &#039;&#039;&#039;[[Toolkit menu|Toolkit]] : [[Toolkit menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&#039;&#039;&#039;. See more: [&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[SuperMemo Algorithm&lt;/del&gt;#Post-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;lapse stability|&lt;/del&gt;SuperMemo Algorithm&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &#039;&#039;&#039;Post-lapse stability&#039;&#039;&#039; can be interpreted as &#039;&#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &quot;accident&quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;[[Toolkit menu|Toolkit]] : [[Toolkit menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&#039;&#039;&#039; and &#039;&#039;&#039;[[Toolkit menu|Toolkit]] : [[Toolkit menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&#039;&#039;&#039;. See more: [&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;https://supermemo.guru/wiki/Algorithm_SM-17&lt;/ins&gt;#Post-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;lapse_stability &lt;/ins&gt;SuperMemo Algorithm]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SuperMemoHelp</name></author>
	</entry>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9933&amp;oldid=prev</id>
		<title>SuperMemoHelp: Tools -&gt; Toolkit</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9933&amp;oldid=prev"/>
		<updated>2019-03-03T10:11:29Z</updated>

		<summary type="html">&lt;p&gt;Tools -&amp;gt; Toolkit&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 06:11, 3 March 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;;&amp;lt;span id=&amp;quot;Post-lapse_stability&amp;quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt; (PLS)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;;&amp;lt;span id=&amp;quot;Post-lapse_stability&amp;quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt; (PLS)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &#039;&#039;&#039;Post-lapse stability&#039;&#039;&#039; can be interpreted as &#039;&#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &quot;accident&quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tools &lt;/del&gt;menu|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tools&lt;/del&gt;]] : [[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tools &lt;/del&gt;menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&#039;&#039;&#039; and &#039;&#039;&#039;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tools &lt;/del&gt;menu|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tools&lt;/del&gt;]] : [[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tools &lt;/del&gt;menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &#039;&#039;&#039;Post-lapse stability&#039;&#039;&#039; can be interpreted as &#039;&#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &quot;accident&quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Toolkit &lt;/ins&gt;menu|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Toolkit&lt;/ins&gt;]] : [[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Toolkit &lt;/ins&gt;menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&#039;&#039;&#039; and &#039;&#039;&#039;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Toolkit &lt;/ins&gt;menu|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Toolkit&lt;/ins&gt;]] : [[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Toolkit &lt;/ins&gt;menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SuperMemoHelp</name></author>
	</entry>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9271&amp;oldid=prev</id>
		<title>SuperMemoHelp at 08:28, 1 June 2016</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9271&amp;oldid=prev"/>
		<updated>2016-06-01T08:28:22Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:28, 1 June 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;;&amp;lt;span id=&quot;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;post&lt;/del&gt;-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt; (PLS)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;;&amp;lt;span id=&quot;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Post&lt;/ins&gt;-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt; (PLS)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &amp;#039;&amp;#039;&amp;#039;Post-lapse stability&amp;#039;&amp;#039;&amp;#039; can be interpreted as &amp;#039;&amp;#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&amp;#039;&amp;#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &amp;quot;accident&amp;quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &amp;#039;&amp;#039;&amp;#039;[[Tools menu|Tools]] : [[Tools menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&amp;#039;&amp;#039;&amp;#039; and &amp;#039;&amp;#039;&amp;#039;[[Tools menu|Tools]] : [[Tools menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&amp;#039;&amp;#039;&amp;#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &amp;#039;&amp;#039;&amp;#039;Post-lapse stability&amp;#039;&amp;#039;&amp;#039; can be interpreted as &amp;#039;&amp;#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&amp;#039;&amp;#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &amp;quot;accident&amp;quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &amp;#039;&amp;#039;&amp;#039;[[Tools menu|Tools]] : [[Tools menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&amp;#039;&amp;#039;&amp;#039; and &amp;#039;&amp;#039;&amp;#039;[[Tools menu|Tools]] : [[Tools menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&amp;#039;&amp;#039;&amp;#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SuperMemoHelp</name></author>
	</entry>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9018&amp;oldid=prev</id>
		<title>SuperMemoHelp at 17:40, 26 May 2016</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=9018&amp;oldid=prev"/>
		<updated>2016-05-26T17:40:43Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 13:40, 26 May 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;&lt;/del&gt;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039; &lt;/del&gt;(&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;also: &#039;&#039;&#039;&lt;/del&gt;PLS&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;&lt;/del&gt;) &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;- the &lt;/del&gt;[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &#039;&#039;&#039;Post-lapse stability&#039;&#039;&#039; can be interpreted as &#039;&#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &quot;accident&quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;[[Tools menu|Tools]] : [[Tools menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&#039;&#039;&#039; and &#039;&#039;&#039;[[Tools menu|Tools]] : [[Tools menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;;&lt;/ins&gt;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt; (PLS)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;:&lt;/ins&gt;[[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &#039;&#039;&#039;Post-lapse stability&#039;&#039;&#039; can be interpreted as &#039;&#039;[[Glossary:Optimum_interval|optimum interval]] after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an [[Glossary:Item|item]] might be forgotten by &quot;accident&quot; and still remembered years after the [[Glossary:Lapse|lapse]], however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;[[Tools menu|Tools]] : [[Tools menu#Statistics|Statistics]] : [[Analysis]] : [[Analysis#Graphs|Graphs]] : [[Analysis#First interval|First interval]]&#039;&#039;&#039; and &#039;&#039;&#039;[[Tools menu|Tools]] : [[Tools menu#Memory|Memory]] : [[Memory graphs (4D)|4D Graphs]] : First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SuperMemoHelp</name></author>
	</entry>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8177&amp;oldid=prev</id>
		<title>SuperMemoHelp at 19:46, 26 April 2016</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8177&amp;oldid=prev"/>
		<updated>2016-04-26T19:46:34Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:46, 26 April 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&#039;&#039;&#039; (also: &#039;&#039;&#039;PLS&#039;&#039;&#039;) - the [[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. Post-lapse stability can be interpreted as &#039;&#039;optimum interval after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an item might be forgotten by &quot;accident&quot; and still remembered years after the lapse, however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;Analysis : Graphs : First interval&#039;&#039;&#039; and &#039;&#039;&#039;Memory : 4D Graphs : First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&#039;&#039;&#039; (also: &#039;&#039;&#039;PLS&#039;&#039;&#039;) - the [[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;&lt;/ins&gt;Post-lapse stability&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039; &lt;/ins&gt;can be interpreted as &#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Glossary:Optimum_interval|&lt;/ins&gt;optimum interval&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Glossary:Item|&lt;/ins&gt;item&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;might be forgotten by &quot;accident&quot; and still remembered years after the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Glossary:Lapse|&lt;/ins&gt;lapse&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Tools menu|Tools]] : [[Tools menu#Statistics|Statistics]] : [[&lt;/ins&gt;Analysis&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;: &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Analysis#&lt;/ins&gt;Graphs&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|Graphs]] &lt;/ins&gt;: &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Analysis#First interval|&lt;/ins&gt;First interval&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&#039;&#039;&#039; and &#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Tools menu|Tools]] : [[Tools menu#&lt;/ins&gt;Memory&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|Memory]] &lt;/ins&gt;: &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Memory graphs (4D)|&lt;/ins&gt;4D Graphs&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;: First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SuperMemoHelp</name></author>
	</entry>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8030&amp;oldid=prev</id>
		<title>SuperMemoBeta at 19:11, 23 April 2016</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8030&amp;oldid=prev"/>
		<updated>2016-04-23T19:11:40Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:11, 23 April 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&#039;&#039;&#039; (also: &#039;&#039;&#039;PLS&#039;&#039;&#039;) - the [[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. Post-lapse stability can be interpreted as &#039;&#039;optimum interval after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an item might be forgotten by &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&lt;/del&gt;accident&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039; &lt;/del&gt;and still remembered years after the lapse, however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;Analysis : Graphs : First interval&#039;&#039;&#039; and &#039;&#039;&#039;Memory : 4D Graphs : First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&#039;&#039;&#039; (also: &#039;&#039;&#039;PLS&#039;&#039;&#039;) - the [[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. Post-lapse stability can be interpreted as &#039;&#039;optimum interval after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an item might be forgotten by &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&lt;/ins&gt;accident&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot; &lt;/ins&gt;and still remembered years after the lapse, however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;Analysis : Graphs : First interval&#039;&#039;&#039; and &#039;&#039;&#039;Memory : 4D Graphs : First interval&#039;&#039;&#039;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SuperMemoBeta</name></author>
	</entry>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8029&amp;oldid=prev</id>
		<title>SuperMemoBeta at 19:11, 23 April 2016</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8029&amp;oldid=prev"/>
		<updated>2016-04-23T19:11:02Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:11, 23 April 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&#039;&#039;&#039; (also: &#039;&#039;&#039;PLS&#039;&#039;&#039;) - the [[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;&amp;lt;span id=&quot;post-lapse_stability&quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&#039;&#039;&#039; (also: &#039;&#039;&#039;PLS&#039;&#039;&#039;) - the [[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Post-lapse stability can be interpreted as &#039;&#039;optimum interval after forgetting&#039;&#039; and rarely goes beyond mere days. On occasion, an item might be forgotten by &#039;&#039;accident&#039;&#039; and still remembered years after the lapse, however, statistically this is an insignificant phenomenon as visualized by &#039;&#039;&#039;Analysis : Graphs : First interval&#039;&#039;&#039; and &#039;&#039;&#039;Memory : 4D Graphs : First interval&#039;&#039;&#039;&lt;/ins&gt;. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SuperMemoBeta</name></author>
	</entry>
	<entry>
		<id>https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8026&amp;oldid=prev</id>
		<title>SuperMemoHelp: Created page with &quot;&#039;&#039;&#039;&lt;span id=&quot;post-lapse_stability&quot;&gt;post-lapse stability&lt;/span&gt;&#039;&#039;&#039; (also: &#039;&#039;&#039;PLS&#039;&#039;&#039;) - the stability of an item after a [[Glossary:Repetit...&quot;</title>
		<link rel="alternate" type="text/html" href="https://help18.whiz.me/index.php?title=Glossary:Post-lapse_stability&amp;diff=8026&amp;oldid=prev"/>
		<updated>2016-04-22T17:53:20Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;&amp;lt;span id=&amp;quot;post-lapse_stability&amp;quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&amp;#039;&amp;#039;&amp;#039; (also: &amp;#039;&amp;#039;&amp;#039;PLS&amp;#039;&amp;#039;&amp;#039;) - the &lt;a href=&quot;/wiki/Glossary:Stability&quot; title=&quot;Glossary:Stability&quot;&gt;stability&lt;/a&gt; of an &lt;a href=&quot;/wiki/Glossary:Item&quot; title=&quot;Glossary:Item&quot;&gt;item&lt;/a&gt; after a [[Glossary:Repetit...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;&amp;lt;span id=&amp;quot;post-lapse_stability&amp;quot;&amp;gt;post-lapse stability&amp;lt;/span&amp;gt;&amp;#039;&amp;#039;&amp;#039; (also: &amp;#039;&amp;#039;&amp;#039;PLS&amp;#039;&amp;#039;&amp;#039;) - the [[Glossary:Stability|stability]] of an [[Glossary:Item|item]] after a [[Glossary:Repetition|repetition]] that scored a failing [[Glossary:Grade|grade]]. See more: [[SuperMemo Algorithm#Post-lapse stability|SuperMemo Algorithm]]&lt;/div&gt;</summary>
		<author><name>SuperMemoHelp</name></author>
	</entry>
</feed>