A researcher is interested in knowing if type of caffeinated beverage and time o

Question

A researcher is interested in knowing if type of caffeinated beverage and time of ingestion has an effect on amount of information retained during studying (0-100). 30 people are assigned to each group combination (coffee vs. tea and morning, afternoon, night, vs. late night). The researcher wants to test the possible effects of caffeine type and time of ingestion to know when is the best time to study for her stats exam.

Please be sure to answer all the questions #1-#10. Most people do not answer it all the way *************

1.What are the researcher’s independent and dependent variables?

a.Independent=______________________________

b.Dependent=_______________________________

2. What are the null and alternative hypotheses (use the appropriate symbols not words)?

a.H0=__________________

b.H1=__________________

3.What is the appropriate test for the researcher to use?__________________

4.Why is that statistic appropriate?

If applicable to the specific test:

5.What are the test’s assumptions?

6.Interpret the findings in APA style

Explanation / Answer

1 ans) independant= type of beverges, ingestion time

dependent=information retained during studing

2 ans) h0: mean coffee= mean tes

h1: mean coffee not equal to mean tea

3 & 4 ans) 1 way ANOWA is applicable to test

5 ans) assumptions- normality distribution

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