This

**preview**shows page 1. to view the full**4 pages of the document.**Topics for complex

true experimental designs

*Within-Ss designs

*Factorial designs

*Effects in factorial designs

*Main effects

*Interactions

*Types of interactions

*Recognizing interactions

*In graphs

*In text

*Can have combinations of main effects and interactions

*But an interaction always implies that any main effect is moderated/qualified

Ratings of Manager’s Skill as a Function of Feedback Favourability and

Manager’s Gender

Types of Interactions

*Two PVs can interact in a variety of ways

*The important thing here is:

*To understand the ways that two variables can work together to produce

psychological outcomes

*To understand the logic behind the various interaction types

*not to memorize the names

*Terminative

*Catalytic

*Synergistic

*Fan

*Crossover

Example of types of effects with 2 PVs

*Made-up example:

*DV = romantic attraction

*2 PVs

*PV = charisma

*PV = similarity in important attitudes and values

*We’ll arbitrarily label the PVs “A” and “B”

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