chap 9 key takeaways

Question 1

researchers often include multiple: and the most common approach is the:

Answer 1

independent variables in their experiments; factorial design

Question 2

factorial design with multiple independent variables:

Answer 2

each level of one independent variable is combined with each level of the others to create all possible conditions

Question 3

Each independent variable can be manipulated

Answer 3

between subjects or within subjects

Question 4

Non-manipulated independent variables (gender) can be included in factorial designs, however, they limit the

Answer 4

causal conclusions that can be made about the effects of the non-manipulated variable on the dependent variable.

Question 5

in a factorial design, the main effect of an independent variable is its

Answer 5

overall effect averaged across all other independent variables

Question 6

There is ___ main effect for each independent variable

Answer 6

one

Question 7

there is an interaction between ___ independent variables when the effect of:

Answer 7

two; one depends on the level of the other

Question 8

A simple effects analysis provides a

Answer 8

means for researchers to break down interactions by examining the effect of each independent variable at each level