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Today’s session

How would you find out if drawing concepts maps was a more effective revision technique than making conventional notes?. Today’s session. Experimental method. A method for establishing whether a causal relationship exists between two (or more) variables. PPs revise using concept maps.

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Today’s session

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  1. How would you find out if drawing concepts maps was a more effective revision technique than making conventional notes?

  2. Today’s session

  3. Experimental method • A method for establishing whether a causal relationship exists between two (or more) variables

  4. PPs revise using concept maps Test of learning Score Conditions PPs revise using note-taking Test of learning Score IV DV Experimental method

  5. Experimental method • If the DV changes when the IV does, there is assumed to be a causal relationship between them… • …assuming you can rule out other influences on the DV

  6. Experimental method • Extraneous variables • What, besides the revision technique, might affect the DV? • Controls • What could we do to remove extraneous influences on the DV?

  7. Operational definition how we measure it This is what makes psychology empirical Operational definitions Conceptual definition what it is

  8. Bickman (1974) • To investigate the effect of perceived legitimacy on obedience to authority. • What were the variables? • How were IV and DV operationalised? • What controls would have been necessary?

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