![]() ![]() Reliability in psychological research isn't really that different - it means that your tools for measuring a given variable measure it accurately and consistently. We'll look at some examples of both to better understand the importance of careful research design.ĭo you have a friend or family member who will always help you out if you ask? You'd probably describe this friend as reliable. ![]() Two key concepts for designing scientific psychological studies are reliability and validity. If you gave your friends a survey about their political leanings, they might be influenced by the way you phrased the questions or by knowing your own political opinions your survey might not accurately measure what you think it does. But designing a study that produces valuable and scientific results is really challenging. If you've ever written a survey or taken a poll among your friends, you've conducted some crude psychological research. ![]() How do validity and reliability contribute to study design in psychology? In this lesson, you'll look at how experiments can fail reliability and validity requirements to get an idea of the challenges behind conducting significant psychological research.ĭesigning a psychological study isn't really that hard. ![]()
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