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The experiment in psychology

The experiment in psychology. Crash Course Lesson 2. Experimental Design. How will I run my experiment?. Condition 1 Words. Condition 2 Pictures.

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The experiment in psychology

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  1. The experiment in psychology Crash Course Lesson 2

  2. Experimental Design How will I run my experiment?

  3. Condition 1 Words Condition 2 Pictures Most simple experiments involve 2 conditions – these are 2 versions of the independent variable. e.g. Using words or pictures to learn a list of items.

  4. There are 3 different ways to carry out the experiment with participants. These are known as Experimental Designs. Hmmm…... • Independent measures design • Repeated measures design • Matched pairs design

  5. Independent Measures Design Participants only take part in one condition of the experiment (2 separate groups) Words Pictures

  6. Repeated Measures Design Participants take part in both conditions of the experiment (1 group) Words Pictures

  7. 1 1 1 1 1 2 2 2 2 2 Matched Pairs Design Participants are matched in each condition for characteristics that may have an effect on their performance. e.g. A memory test

  8. Each design has Strengths Weaknesses

  9. Key things to think about are Individual Differences The colour pink is so awesome... I’m cleverer than her!

  10. They think I’ll remember pictures better than words Demand Characteristics are the cues which might reveal your aim Cat Dog House I got bored the second time … Order Effects are caused by repeated tests

  11. Order effects are situational variables Can you name any others?

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