{"id":1297,"date":"2016-10-24T04:01:11","date_gmt":"2016-10-24T04:01:11","guid":{"rendered":"http:\/\/101psych.com\/?p=1297"},"modified":"2016-10-24T04:01:11","modified_gmt":"2016-10-24T04:01:11","slug":"allocation-methods","status":"publish","type":"post","link":"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/allocation-methods\/","title":{"rendered":"Allocation Methods"},"content":{"rendered":"<h2><em>What are the <strong>allocation methods<\/strong> used in independent samples experiments?<\/em><\/h2>\n<p>The allocation method simply refers to how the researchers decide who receives what treatment in an experiment. There are two ways to allocate participants:<\/p>\n<p>a) Randomly<\/p>\n<p>b) Selectively<\/p>\n<p><strong>Random allocation\u00a0<\/strong>is when the researchers divide the participants and allocate them to certain groups using a random method. For instance, in an experiment to test the effects of a new drug on depression the researchers might use a random number generator to assign their 25 participants a number from 1 &#8211; 25. They could then put all the odds in one group and the evens in another.<\/p>\n<p>When allocating participants\u00a0<strong>selectively\u00a0<\/strong>the researchers &#8220;select&#8221; who will go in each group based on a particular criteria. In the example above, for instance, there might be 8 females and 17 males so the researchers want to make sure that the number of female participants is equal in both groups so that gender is not a confounding variable. The would then make sure they chose four females to be in each group.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What are the allocation methods used in independent samples experiments? The allocation method simply refers to how the researchers decide who receives what treatment in an experiment. There are two ways to allocate participants: a) Randomly b) Selectively Random allocation\u00a0is when the researchers divide the participants and allocate them to certain groups using a random method. For instance, in an &#8230; <\/p>\n<div><a href=\"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/allocation-methods\/\" class=\"more-link\">Read More<\/a><\/div>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1297","post","type-post","status-publish","format-standard","hentry","category-uncategorized","no-post-thumbnail"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Allocation Methods | The IB Psychology Blog<\/title>\n<meta name=\"description\" content=\"Learn about allocation methods in independent samples experiments, including random and selective allocation. Ensure fair treatment with proper allocation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/allocation-methods\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Allocation Methods | The IB Psychology Blog\" \/>\n<meta property=\"og:description\" content=\"Learn about allocation methods in independent samples experiments, including random and selective allocation. 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So if there is no random allocation, but there is still an\u2026","rel":"","context":"In &quot;Research Methodology&quot;","block_context":{"text":"Research Methodology","link":"https:\/\/www.themantic-education.com\/ibpsych\/category\/research-methodology\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/08\/bigstock-harmony-on-the-edge-175194202.jpg?fit=900%2C573&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/08\/bigstock-harmony-on-the-edge-175194202.jpg?fit=900%2C573&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/08\/bigstock-harmony-on-the-edge-175194202.jpg?fit=900%2C573&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/08\/bigstock-harmony-on-the-edge-175194202.jpg?fit=900%2C573&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":13663,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2021\/01\/27\/ia-tips-how-to-explain-your-design\/","url_meta":{"origin":1297,"position":1},"title":"IA Tips: How to explain your&#8230;DESIGN","author":"Travis Dixon","date":"01\/27\/2021","format":false,"excerpt":"You can write an excellent explanation of your \u201cdesign\u201d in just three sentences. You can\u2019t go wrong with What-How-Why (State-Describe-Explain) approach. You can explain any section of the Exploration by showing how it controls for one or more confounding variables.\u00a0 Here are 3 steps to explaining your design: State the\u2026","rel":"","context":"In &quot;Research Methodology&quot;","block_context":{"text":"Research Methodology","link":"https:\/\/www.themantic-education.com\/ibpsych\/category\/research-methodology\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Graphic-Designer-Team-Student-187948270.jpg?fit=900%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Graphic-Designer-Team-Student-187948270.jpg?fit=900%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Graphic-Designer-Team-Student-187948270.jpg?fit=900%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Graphic-Designer-Team-Student-187948270.jpg?fit=900%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":13725,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2021\/01\/25\/ia-tips-how-to-explain-your-controlled-variables\/","url_meta":{"origin":1297,"position":2},"title":"IA Tips&#8230;How to explain your CONTROLLED VARIABLES","author":"Travis Dixon","date":"01\/25\/2021","format":false,"excerpt":"Explaining the \"controlled variables\" is tricky. Most students state or maybe describe, but few really explain them. Here's how to do it and an example to show you. What are controlled variables? A \"controlled variable\" is any factor that could affect your results so you kept it constant in both\u2026","rel":"","context":"In &quot;Internal Assessment (IB)&quot;","block_context":{"text":"Internal Assessment (IB)","link":"https:\/\/www.themantic-education.com\/ibpsych\/category\/internal-assessment-ib\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Elementary-School-Children-Cl-366187606.jpg?fit=900%2C601&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Elementary-School-Children-Cl-366187606.jpg?fit=900%2C601&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Elementary-School-Children-Cl-366187606.jpg?fit=900%2C601&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2021\/01\/bigstock-Elementary-School-Children-Cl-366187606.jpg?fit=900%2C601&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":10132,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2017\/11\/01\/clinical-drug-trials-ptsd-and-ssris\/","url_meta":{"origin":1297,"position":3},"title":"Clinical Drug Trials, PTSD and SSRIs","author":"Travis Dixon","date":"11\/01\/2017","format":false,"excerpt":"This post is designed to be used in lesson 4.6 in the PTSD unit plan. In order to evaluate the effectiveness of drug therapy using selective serotonin reuptake inhibitors (SSRIs) to treat PTSD, we need to consult the research. The most common way the effectiveness of drugs are tested is\u2026","rel":"","context":"In &quot;Abnormal Psychology&quot;","block_context":{"text":"Abnormal Psychology","link":"https:\/\/www.themantic-education.com\/ibpsych\/category\/abnormal-psychology\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/11\/bigstock-173480549.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/11\/bigstock-173480549.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/11\/bigstock-173480549.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/11\/bigstock-173480549.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/11\/bigstock-173480549.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1293,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/controls-in-experiments\/","url_meta":{"origin":1297,"position":4},"title":"What is a &#8220;controlled variable?&#8221;","author":"Travis Dixon","date":"10\/24\/2016","format":false,"excerpt":"A controlled variable is a variable that's kept constant between the conditions of the experiment so that the only difference between the groups is the independent variable.\u00a0 Imagine you're doing an experiment on yourself to see if drinking coffee in the morning gives you energy. On Monday you wake up,\u2026","rel":"","context":"In &quot;Internal Assessment (IB)&quot;","block_context":{"text":"Internal Assessment (IB)","link":"https:\/\/www.themantic-education.com\/ibpsych\/category\/internal-assessment-ib\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/10\/hand-784077_1920.jpeg?fit=904%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/10\/hand-784077_1920.jpeg?fit=904%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/10\/hand-784077_1920.jpeg?fit=904%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/10\/hand-784077_1920.jpeg?fit=904%2C1200&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":598,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2016\/09\/29\/true-natural-and-field-experiments\/","url_meta":{"origin":1297,"position":5},"title":"True, Natural and Field Experiments","author":"Travis Dixon","date":"09\/29\/2016","format":false,"excerpt":"There is a difference between a \"true experiment\" a \"field experiment\" and \u00a0a \"natural experiment\". These separate experimental methods are commonly used in psychological research and they each have their strengths and limitations. True Experiments A true experiment is one where: the researcher has controlled for the influence of extraneous\u2026","rel":"","context":"In &quot;Research Methodology&quot;","block_context":{"text":"Research Methodology","link":"https:\/\/www.themantic-education.com\/ibpsych\/category\/research-methodology\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/09\/sticky-note-294230_960_720.png?fit=677%2C720&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/09\/sticky-note-294230_960_720.png?fit=677%2C720&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/09\/sticky-note-294230_960_720.png?fit=677%2C720&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/posts\/1297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/comments?post=1297"}],"version-history":[{"count":0,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/posts\/1297\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/media?parent=1297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/categories?post=1297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/tags?post=1297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}