Lecture 7 Practical Considerations

Lecture 7 Practical Considerations - Practical...

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5/22/13 1 Practical Considerations Cozby & Rawn Chapter 9 Straightforward Manipulations - the independent variable is manipulated by presenting written, verbal or visual material to the participants Example: A vision researcher may manipulate the number of objects presented on a screen Staged Manipulations – events are staged in order to manipulate the independent variable Example: A social psychologist may stage a break down on the side of the road Staged manipulations tend to have more _________ validity than straightforward manipulations a. internal b. external c. construct d. discriminant e. b and d
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5/22/13 2 Straightforward Manipulations - the independent variable is manipulated by presenting written, verbal or visual material to the participants Example: A vision researcher may manipulate the number of objects presented on a screen Staged Manipulations – events are staged in order to manipulate the independent variable Example: A social psychologist may stage a break down on the side of the road
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Lecture 7 Practical Considerations - Practical...

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