1. In a study on the effects of memory, Jackie recruited fifteen adolescent teen

Question

1. In a study on the effects of memory, Jackie recruited fifteen adolescent teenagers (age 14-17), fifteen college-age young adults (age 19-24), and fifteen retired older adults (age 65+). All of the participants studied lists of words in both a very hot room (90 degrees Fahrenheit) and a very cold room (45 degrees Fahrenheit). What kind of experimental design is this?

a.independent groups factorial

b.within groups factorial

c.mixed factorial

d.simple experiment

2.

A) In a 2x2x3 mixed factorial design, how many IVs are there?
B) In a 2x2x3 mixed factorial design, how many conditions are there?

Explanation / Answer

1. The correct answer is Option C. This experimental design is a mixed factorial design. This is because the involves two independent variables, of which one is a within-subjects (repeated measures) factor and one is a between-groups factor.

2.  A 2x2x3 design; there are three numbers so there 3 IVs; the first number is a 2 so the first IV has 2 levels; the second number is a 2 so the second IV also has 2 levels and the third IV has 3 levels.

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