{"id":1277,"date":"2016-10-24T03:49:11","date_gmt":"2016-10-24T03:49:11","guid":{"rendered":"http:\/\/101psych.com\/?p=1277"},"modified":"2016-10-24T03:49:11","modified_gmt":"2016-10-24T03:49:11","slug":"independent-and-dependent-variables","status":"publish","type":"post","link":"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/independent-and-dependent-variables\/","title":{"rendered":"Independent and Dependent Variables"},"content":{"rendered":"<h2><em>What are <strong>independent<\/strong>, <strong>dependent<\/strong><strong>\u00a0variables<\/strong>?<\/em><\/h2>\n<p>The DV is what is being measured. It is the\u00a0<em>effect<\/em>\u00a0in other words.<\/p>\n<p>The IV is what is being\u00a0<em>manipulated<\/em>\u00a0by the researcher. In other words, it is the factor that changes in the different conditions of the experiment.<\/p>\n<p>The aim of an experiment, therefore, is usually to investigate the effect of the IV on the DV.<\/p>\n<p>Take this example: Mr Dixon wants to find out if fertilizer actually works for making his garden grown. He therefore decides to use fertilizer on half of his garden and none on the other half. He will then see which side of the garden grows better.<\/p>\n<p>In this gardening experiment the aim is to determine if using fertilizer actually has an impact on garden growth. The IV would be the use of fertilizer, because I&#8217;m the one who has changed this variable by using it on only half of the garden. The DV is the amount of growth in the garden because that is what I&#8217;m measuring to see if the IV actually had an effect.<\/p>\n<div id=\"attachment_223\" style=\"width: 285px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-223\" class=\"alignnone size-full wp-image-223\" src=\"https:\/\/101psychcom.files.wordpress.com\/2016\/08\/download2.jpg?resize=275%2C183\" alt=\"download\" width=\"275\" height=\"183\" \/><p id=\"caption-attachment-223\" class=\"wp-caption-text\">I&#8217;ll be using my gardening example throughout this unit on experimental research.<\/p><\/div>\n[youtube https:\/\/www.youtube.com\/watch?v=EJTqG-RQeT8]\n","protected":false},"excerpt":{"rendered":"<p>What are independent, dependent\u00a0variables? The DV is what is being measured. It is the\u00a0effect\u00a0in other words. The IV is what is being\u00a0manipulated\u00a0by the researcher. In other words, it is the factor that changes in the different conditions of the experiment. The aim of an experiment, therefore, is usually to investigate the effect of the IV on the DV. Take this &#8230; <\/p>\n<div><a href=\"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/independent-and-dependent-variables\/\" 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":[29,1],"tags":[],"class_list":["post-1277","post","type-post","status-publish","format-standard","hentry","category-research-methodology","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>Independent and Dependent Variables | The IB Psychology Blog<\/title>\n<meta name=\"description\" content=\"Learn about the difference between independent and dependent variables in experimental research and how they impact the outcome. 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So this post is to help you know exactly when to use the term \"experiment\", and when it's safe just to say\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":"Laboratory.","src":"https:\/\/i0.wp.com\/blogs.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/10\/bigstock-laboratory-110148050-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blogs.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/10\/bigstock-laboratory-110148050-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/blogs.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/10\/bigstock-laboratory-110148050-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/blogs.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/10\/bigstock-laboratory-110148050-1.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/blogs.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/10\/bigstock-laboratory-110148050-1.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/blogs.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/10\/bigstock-laboratory-110148050-1.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":1285,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/stating-an-aim-clearly\/","url_meta":{"origin":1277,"position":1},"title":"Stating an Aim Clearly","author":"Travis Dixon","date":"10\/24\/2016","format":false,"excerpt":"How\u00a0is the aim of an experiment stated? Being able to clearly state the aim of an experiment, or any study, is important for when you want to clearly describe a study. It is also a key part of the internal assessment. Since the purpose (or aim) of conducting a \"true\"\u2026","rel":"","context":"In &quot;Assessment (IB)&quot;","block_context":{"text":"Assessment (IB)","link":"https:\/\/www.themantic-education.com\/ibpsych\/category\/assessment-ib\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1290,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/operational-definitions-2\/","url_meta":{"origin":1277,"position":2},"title":"Operational Definitions","author":"Travis Dixon","date":"10\/24\/2016","format":false,"excerpt":"Updated May 2020 Operational definitions became important in Psychology when psychologists wanted to establish that psychological experimentation is truly scientific in nature. In this blog post, we'll look at exactly what is an operational definition is and how to do it. This is a common error in IB Psychology IAs.\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\/bigstock-Writer-Writing-On-Computer-Pap-240953329.jpg?fit=900%2C702&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\/bigstock-Writer-Writing-On-Computer-Pap-240953329.jpg?fit=900%2C702&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/10\/bigstock-Writer-Writing-On-Computer-Pap-240953329.jpg?fit=900%2C702&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2016\/10\/bigstock-Writer-Writing-On-Computer-Pap-240953329.jpg?fit=900%2C702&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":5815,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2017\/08\/01\/lesson-idea-understanding-ivs-and-dvs\/","url_meta":{"origin":1277,"position":3},"title":"Lesson Idea: Understanding IVs and DVs","author":"Travis Dixon","date":"08\/01\/2017","format":false,"excerpt":"This lesson accompanies section 1.2(a) in\u00a0IB Psychology: A Student's Guide.\u00a0 \u00a0 Hook\u00a0 As a class, watch this clip from the\u00a0BC documentary \u201cHuman Instincts\u201d to show the replication of the MHC gene study. After this, I like to use the introduction slideshow to explain the definitions of an IV and a\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-hand-drawing-empty-diagram-3340560.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\/08\/bigstock-hand-drawing-empty-diagram-3340560.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\/08\/bigstock-hand-drawing-empty-diagram-3340560.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\/08\/bigstock-hand-drawing-empty-diagram-3340560.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\/08\/bigstock-hand-drawing-empty-diagram-3340560.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1228,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2016\/10\/24\/quantitative-research-methods-glossary\/","url_meta":{"origin":1277,"position":4},"title":"Quantitative Research Methods Glossary","author":"Travis Dixon","date":"10\/24\/2016","format":false,"excerpt":"The following list is a pretty comprehensive list of key terms for research methods in psychology. Please post a comment\/question if you notice double-ups, errors and\/or omissions.\u00a0 \u201cTrue\u201d Experiment: this is an experiment that takes place in a controlled environment and the researcher\/s manipulate the independent variable to create conditions\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5486,"url":"https:\/\/www.themantic-education.com\/ibpsych\/2017\/07\/20\/lesson-idea-intro-to-the-scientific-method-in-psychology\/","url_meta":{"origin":1277,"position":5},"title":"Lesson idea: Intro to the scientific method in psychology","author":"Travis Dixon","date":"07\/20\/2017","format":false,"excerpt":"The scientific method is rather intuitive, so in one of my first lessons in the course I like to pose a problem to students and get them to see how they would solve it. Here's the problem: I'm trying to grow tomatoes in my garden and there are two types\u2026","rel":"","context":"With 7 comments","block_context":{"text":"With 7 comments","link":"https:\/\/www.themantic-education.com\/ibpsych\/2017\/07\/20\/lesson-idea-intro-to-the-scientific-method-in-psychology\/#comments"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/07\/the-scientific-method.png?fit=882%2C598&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\/07\/the-scientific-method.png?fit=882%2C598&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/07\/the-scientific-method.png?fit=882%2C598&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.themantic-education.com\/ibpsych\/wp-content\/uploads\/sites\/3\/2017\/07\/the-scientific-method.png?fit=882%2C598&ssl=1&resize=700%2C400 2x"},"classes":[]}],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/posts\/1277","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=1277"}],"version-history":[{"count":0,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/posts\/1277\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/media?parent=1277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/categories?post=1277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.themantic-education.com\/ibpsych\/wp-json\/wp\/v2\/tags?post=1277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}