{"id":385,"date":"2024-02-27T17:09:50","date_gmt":"2024-02-27T22:09:50","guid":{"rendered":"https:\/\/opentextbc.ca\/psychologymtdi\/chapter\/the-optimal-arousal-model\/"},"modified":"2024-08-22T16:26:19","modified_gmt":"2024-08-22T20:26:19","slug":"the-optimal-arousal-model","status":"publish","type":"chapter","link":"https:\/\/opentextbc.ca\/psychologymtdi\/chapter\/the-optimal-arousal-model\/","title":{"raw":"The Optimal Arousal Model","rendered":"The Optimal Arousal Model"},"content":{"raw":"<p style=\"text-align: right;\">[pb_glossary id=\"595\"]Approximate reading time[\/pb_glossary]: 3 minutes<\/p>\n<strong>Optimal Arousal Model<\/strong> builds on what we know about motivation. It says that we all have a \u201cjust right\u201d level of alertness and energy that helps us do our best (Figure MO.10). If we're not alert enough, we get bored and look for something to wake us up. If we're too alert, or stressed, we try to find ways to relax (Berlyne, 1960). You've probably felt this during your time at school. Think about the end of the spring semester when everything seems to pile up. You might be stressed, trying to finish all your work. Then, summer comes, and you relax. But after a while, you start to feel bored. By the time Fall rolls around, maybe you are actually ready to get back to school. That's the Optimal Arousal Model in action.\n\n[caption id=\"attachment_384\" align=\"aligncenter\" width=\"649\"]<img class=\"wp-image-383 size-full\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/02\/EM6-Optimal-arousal-1.jpeg\" alt=\"A line graph has an x-axis labeled \u201carousal level\u201d with an arrow indicating \u201clow\u201d to \u201chigh\u201d and a y-axis labeled \u201cperformance quality\u201d with an arrow indicating \u201clow\u201d to \u201chigh.\u201d A curve charts optimal arousal. Where arousal level and performance quality are both \u201clow,\u201d the curve is low and labeled \u201cboredom or apathy.\u201d Where arousal level is \u201cmedium\u201d and \u201cperformance quality is \u201cmedium,\u201d the curve peaks and is labeled \u201coptimal level.\u201d Where the arousal level is \u201chigh\u201d and the performance quality is \u201clow,\u201d the curve is low and is labeled \u201chigh anxiety.\u201d\" width=\"649\" height=\"315\"> <strong>Figure MO.10. Optimal arousal. <\/strong>The concept of optimal arousal in relation to performance on a task is depicted here. Performance is maximised at the optimal level of arousal, and it tapers off during under- and over-arousal. This figure shows this idea. It says that we do our best when our level of alertness is just right. If we're too relaxed or too stressed, we don't do as well.[\/caption]\n\nSo, what's this perfect level of alertness? Researchers have found that it is usually somewhere in the middle between really relaxed and really stressed (Yerkes &amp; Dodson, 1908). Think about how you feel when you're taking an exam. If you're too relaxed, you might not do well because you don't care enough. But if you're too nervous, you might freeze up and not do well either. It's like a softball team that's so sure they'll win, they don't get pumped up for the game and end up losing to a team that's not as good.\n\nBut it's not always as simple as finding a middle ground. Researchers Robert Yerkes and John Dodson found that the best level of alertness depends on how hard the task is (Figure MO.11). They say that for easy tasks, it's better to be more alert. But for hard tasks, it's better to be less alert. This relationship is known as <strong>Yerkes-Dodson law<\/strong>, which holds that a simple task is performed best when arousal levels are relatively high and complex tasks are best performed when arousal levels are lower.\n\n[caption id=\"attachment_384\" align=\"aligncenter\" width=\"649\"]<img class=\"size-full wp-image-384\" title=\"A line graph has an x-axis labeled \u201carousal level\u201d with an arrow indicating \u201clow\u201d to \u201chigh\u201d and a y-axis labeled \u201cperformance quality\u201d with an arrow indicating \u201clow\u201d to \u201chigh.\u201d Two curves charts optimal arousal, one for difficult tasks and the other for easy tasks. The optimal level for easy tasks is reached with slightly higher arousal levels than for difficult tasks. \" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/EM7-Task-performance-2.jpeg\" alt=\"A line graph has an x-axis labeled \u201carousal level\u201d with an arrow indicating \u201clow\u201d to \u201chigh\u201d and a y-axis labeled \u201cperformance quality\u201d with an arrow indicating \u201clow\u201d to \u201chigh.\u201d Two curves charts optimal arousal, one for difficult tasks and the other for easy tasks. The optimal level for easy tasks is reached with slightly higher arousal levels than for difficult tasks. \" width=\"649\" height=\"339\" data-popupalt-original-title=\"null\"> <strong>Figure MO.11. Yerkes-Dodson law.<\/strong> Task performance is best when arousal levels are in a middle range, with difficult tasks best performed under lower levels of arousal and simple tasks best performed under higher levels of arousal. It says that for tough tasks, you do better when you're not too stressed. But for simple tasks, a bit more excitement can help you do better. <span class=\"os-title-label\">Figure\u00a0<\/span><span class=\"os-number\">10.7 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span>[\/caption]\n\n<span class=\"os-title-label\">Figure\u00a0<\/span><span class=\"os-number\">10.7 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span>\n<div class=\"textbox sup\"><a href=\"https:\/\/opentextbc.ca\/psychologymtdisupplement\/chapter\/organising-a-wilderness-camping-trip\/\" target=\"_blank\" rel=\"noopener\">Supplement MO.8: Case Study - Organising a Wilderness Camping Trip [New Tab]<\/a><\/div>\n<h1>Image Attributions<\/h1>\n<span class=\"os-title-label\">Figure MO.10. Figure <\/span><span class=\"os-number\">10.6 as found in\u00a0<a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span>\n\nFigure MO.11. <span class=\"os-title-label\">Figure\u00a0<\/span><span class=\"os-number\">10.7 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span>","rendered":"<p style=\"text-align: right;\"><a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_385_595\">Approximate reading time<\/a>: 3 minutes<\/p>\n<p><strong>Optimal Arousal Model<\/strong> builds on what we know about motivation. It says that we all have a \u201cjust right\u201d level of alertness and energy that helps us do our best (Figure MO.10). If we&#8217;re not alert enough, we get bored and look for something to wake us up. If we&#8217;re too alert, or stressed, we try to find ways to relax (Berlyne, 1960). You&#8217;ve probably felt this during your time at school. Think about the end of the spring semester when everything seems to pile up. You might be stressed, trying to finish all your work. Then, summer comes, and you relax. But after a while, you start to feel bored. By the time Fall rolls around, maybe you are actually ready to get back to school. That&#8217;s the Optimal Arousal Model in action.<\/p>\n<figure id=\"attachment_384\" aria-describedby=\"caption-attachment-384\" style=\"width: 649px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-383 size-full\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/02\/EM6-Optimal-arousal-1.jpeg\" alt=\"A line graph has an x-axis labeled \u201carousal level\u201d with an arrow indicating \u201clow\u201d to \u201chigh\u201d and a y-axis labeled \u201cperformance quality\u201d with an arrow indicating \u201clow\u201d to \u201chigh.\u201d A curve charts optimal arousal. Where arousal level and performance quality are both \u201clow,\u201d the curve is low and labeled \u201cboredom or apathy.\u201d Where arousal level is \u201cmedium\u201d and \u201cperformance quality is \u201cmedium,\u201d the curve peaks and is labeled \u201coptimal level.\u201d Where the arousal level is \u201chigh\u201d and the performance quality is \u201clow,\u201d the curve is low and is labeled \u201chigh anxiety.\u201d\" width=\"649\" height=\"315\" srcset=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/02\/EM6-Optimal-arousal-1.jpeg 649w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/02\/EM6-Optimal-arousal-1-300x146.jpeg 300w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/02\/EM6-Optimal-arousal-1-65x32.jpeg 65w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/02\/EM6-Optimal-arousal-1-225x109.jpeg 225w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/02\/EM6-Optimal-arousal-1-350x170.jpeg 350w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><figcaption id=\"caption-attachment-384\" class=\"wp-caption-text\"><strong>Figure MO.10. Optimal arousal. <\/strong>The concept of optimal arousal in relation to performance on a task is depicted here. Performance is maximised at the optimal level of arousal, and it tapers off during under- and over-arousal. This figure shows this idea. It says that we do our best when our level of alertness is just right. If we&#8217;re too relaxed or too stressed, we don&#8217;t do as well.<\/figcaption><\/figure>\n<p>So, what&#8217;s this perfect level of alertness? Researchers have found that it is usually somewhere in the middle between really relaxed and really stressed (Yerkes &amp; Dodson, 1908). Think about how you feel when you&#8217;re taking an exam. If you&#8217;re too relaxed, you might not do well because you don&#8217;t care enough. But if you&#8217;re too nervous, you might freeze up and not do well either. It&#8217;s like a softball team that&#8217;s so sure they&#8217;ll win, they don&#8217;t get pumped up for the game and end up losing to a team that&#8217;s not as good.<\/p>\n<p>But it&#8217;s not always as simple as finding a middle ground. Researchers Robert Yerkes and John Dodson found that the best level of alertness depends on how hard the task is (Figure MO.11). They say that for easy tasks, it&#8217;s better to be more alert. But for hard tasks, it&#8217;s better to be less alert. This relationship is known as <strong>Yerkes-Dodson law<\/strong>, which holds that a simple task is performed best when arousal levels are relatively high and complex tasks are best performed when arousal levels are lower.<\/p>\n<figure id=\"attachment_384\" aria-describedby=\"caption-attachment-384\" style=\"width: 649px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-384\" title=\"A line graph has an x-axis labeled \u201carousal level\u201d with an arrow indicating \u201clow\u201d to \u201chigh\u201d and a y-axis labeled \u201cperformance quality\u201d with an arrow indicating \u201clow\u201d to \u201chigh.\u201d Two curves charts optimal arousal, one for difficult tasks and the other for easy tasks. The optimal level for easy tasks is reached with slightly higher arousal levels than for difficult tasks.\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/EM7-Task-performance-2.jpeg\" alt=\"A line graph has an x-axis labeled \u201carousal level\u201d with an arrow indicating \u201clow\u201d to \u201chigh\u201d and a y-axis labeled \u201cperformance quality\u201d with an arrow indicating \u201clow\u201d to \u201chigh.\u201d Two curves charts optimal arousal, one for difficult tasks and the other for easy tasks. The optimal level for easy tasks is reached with slightly higher arousal levels than for difficult tasks.\" width=\"649\" height=\"339\" data-popupalt-original-title=\"null\" srcset=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/EM7-Task-performance-2.jpeg 649w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/EM7-Task-performance-2-300x157.jpeg 300w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/EM7-Task-performance-2-65x34.jpeg 65w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/EM7-Task-performance-2-225x118.jpeg 225w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/EM7-Task-performance-2-350x183.jpeg 350w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><figcaption id=\"caption-attachment-384\" class=\"wp-caption-text\"><strong>Figure MO.11. Yerkes-Dodson law.<\/strong> Task performance is best when arousal levels are in a middle range, with difficult tasks best performed under lower levels of arousal and simple tasks best performed under higher levels of arousal. It says that for tough tasks, you do better when you&#8217;re not too stressed. But for simple tasks, a bit more excitement can help you do better. <span class=\"os-title-label\">Figure\u00a0<\/span><span class=\"os-number\">10.7 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span><\/figcaption><\/figure>\n<p><span class=\"os-title-label\">Figure\u00a0<\/span><span class=\"os-number\">10.7 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span><\/p>\n<div class=\"textbox sup\"><a href=\"https:\/\/opentextbc.ca\/psychologymtdisupplement\/chapter\/organising-a-wilderness-camping-trip\/\" target=\"_blank\" rel=\"noopener\">Supplement MO.8: Case Study &#8211; Organising a Wilderness Camping Trip [New Tab]<\/a><\/div>\n<h1>Image Attributions<\/h1>\n<p><span class=\"os-title-label\">Figure MO.10. Figure <\/span><span class=\"os-number\">10.6 as found in\u00a0<a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span><\/p>\n<p>Figure MO.11. <span class=\"os-title-label\">Figure\u00a0<\/span><span class=\"os-number\">10.7 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/span><\/p>\n<div class=\"glossary\"><span class=\"screen-reader-text\" id=\"definition\">definition<\/span><template id=\"term_385_595\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_385_595\"><div tabindex=\"-1\"><p>To calculate this time, we used a reading speed of 150 words per minute and then added extra time to account for images and videos. This is just to give you a rough idea of the length of the chapter section. How long it will take you to engage with this chapter will vary greatly depending on all sorts of things (the complexity of the content, your ability to focus, etc).<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><\/div>","protected":false},"author":127,"menu_order":6,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":["jessica-motherwell-mcfarlane"],"pb_section_license":"cc-by-nc-sa"},"chapter-type":[],"contributor":[61],"license":[57],"class_list":["post-385","chapter","type-chapter","status-publish","hentry","contributor-jessica-motherwell-mcfarlane","license-cc-by-nc-sa"],"part":365,"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/users\/127"}],"version-history":[{"count":2,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/385\/revisions"}],"predecessor-version":[{"id":864,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/385\/revisions\/864"}],"part":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/parts\/365"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/385\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/media?parent=385"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapter-type?post=385"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/contributor?post=385"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/license?post=385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}