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ch 8 self test
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Terms in this set (7)
A 2x3x4 factorial has
a. how many IVs?
b. how many levels of each IV?
c. how many total conditions?
d. how many DVs?
a. 3
b. 2, 3, and 4
c. 24
d. n/a
what is the basic def of main effect?
concerns whether a significant difference exists among the levels of an IV
A memory study with a 2x2 factorial design has these results (DV= words recalled)
A1B1=15
A1B2=15
A2B1=20
A2B2=20
Are there any main effects? if so, for which factor?
Yes, A
A memory study with 2x2 factorial results has these results
A1B1=15
A1B2=20
A2B1=20
A2B2=15
summarize results in terms of main effects and interactions
there are no main effects, row and column means all equal 17.5. but there is an interaction
what is the defining feature of a mixed design?
there is at least one between subjects factor and 1 with-in subjects factor
in a 3x3 mixed design with 20 subjects in the first cell, how many subjects are needed to complete the study?
60
if you need a total of 25 participants in a 4x4 factorial study, and there are 25 participants in a cell A1B1, what kind of design is this?
it must be a repeated-measure factorial design
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