A researcheris interestedin testing which brand of coffeetastes better.Ten people wereselected toparticipate in tastingfourdifferent types of coffee:Maxwell House, Folgers, Starbucks, and Dunkin Donuts. All coffee brands weremadebytheresearcher from freshgrinds and theorderin which each participant tasted the coffees was counterbalanced. Aftertasting each brand ofcoffee, participants ratedthequalityoftasteon a7-point scale (1 =terribleto 7=delicious).It is hypothesized that thebrands willdifferin qualityoftaste.

1. Usingeach of the following Methodological Design for the 10 participants. Explain how you would use each design. Make sure you expand on how you would test.

Pretest-Posttest Design

Longitudinal Design

Repeated-Measure Design

2. Identify the independent variable

3. Identify the levels of each independent variable

4. Identify the dependent variables

5. What may be the potential internal threats to this study and why might they be a threat

6. Using the order effects and potential solutions with this scenario.

Practice Effect

Fatigue Effect

Carryover Effect

Sensational Effect

7. What ethical considerations do you need to keep in mind.

8. Find the mean for ALL 4 coffee brand.

9. How does the mean support the hypothesis