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

Question

For each of the following scenarios, what are two names for the ANOVA that wouold be conducted to analyze the data?

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

b) In a study on memory, participants completed a memory task once each week for 4 weeks- twice after sleeping 8 hours and twice after sleeping for 4 hours. IN each sleep condition, the participants completed the task after ingesting a caffeinated beverage and again, on another day, after ingesting "placebo" beverage that they were told contained caffeine.

c) A study examined the impact of students' Facebook profiled on numbers of Facebook friends. 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

1)  Here the response variable y is the measure of loneliness.

Here y depends on two factors viz. gender (possibly with 2 levels-- male and female) and

pet ownership ( 3 levels - no pets, one pet, more than one pet)

Its a 3-way ANOVA classification

b) Here the memory test is conducted in a such a way,

study happens between 8 hrs annd 4 hrs

also internally between coffee treated and placebo treated

Its a 2nd level of design

Hence its also a two way classification with 2 levels each in 2 factors

c) Its has only 2 levels of comaprision between two variables,

Hence its a simple one way anova classification

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