For each of the following scenarios, what are two names for the ANOVA that would

Question

For each of the following scenarios, what are two names for the ANOVA that would be conducted to analyze the data? (ex. Three-way mixed group ANOVA)

a. A researcher examined the effect of gender and pet ownership (no pets, one pets, more than one pet) on a measure of lonliness.

b. In a study on memory, partcicpants completed a memory task on each week for 4 weeks- twice after sleeping eight hourss and twice after sleeping for four hours. In each sleep condition, the participants completed the task after ingesting a caffeinated beverage and again, on another day, after ingesting a "placebo" beverage that they were told conatianed caffeine.

c. A study examined the impactof students' Facebook profles on numbers of Facebook frineds. The researchers were interested in the effect of the profile photo- either an identifiable photo of the student or a photo of someone or something else- and the effect of relationship status- whether it indicates the student is single or in a relationship.

Explanation / Answer

a. A researcher examined the effect of gender and pet ownership (no pets, one pets, more than one pet) on a measure of lonliness.

It is a 2-WAY ANOVA:

Factor1- gender

Factor2- pet ownership

b) 2 WAY mixed ANOVA

Factor1: sleep hours(4 & 8 hrs)

Factor2: caffaine & placebo

c) 2 WAY ANOVA:

Factor 1: effect of photo

Factor2: relationship status

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