PSYCH291 Lecture Notes - Agreeableness

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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
Managers 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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Document Summary

*can have combinations of main effects and interactions. *but an interaction always implies that any main effect is moderated/qualified. *two pvs can interact in a variety of ways. *to understand the ways that two variables can work together to produce psychological outcomes. *to understand the logic behind the various interaction types. Example of types of effects with 2 pvs. *pv = similarity in important attitudes and values. *we"ll arbitrarily label the pvs a and b . Happiness as a function of chocolate condition and time. *dv = state self-esteem (self-esteem at this moment) Wood et al. (2009) effects of positive self-statements. *iv = helping other person or helping self. Cortes & kamrath agreeableness and helping self or other. Ratings of manager"s skill as a function of feedback favourability and. *the effect of one pv does not depend on the level of a second pv. *the effect of a is the same for each condition (aka level) of b.

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