Suppose that a researcher was interested in the effect of caffeine on memory. She measured memory performance

Question:

Suppose that a researcher was interested in the effect of caffeine on memory. She measured memory performance either immediately after studying (0-day delay) or after a 10-day delay. Half of the participants in each delay group received either a cup of decaffeinated coffee or a cup of regular, caffeinated coffee before answering a set of 10 questions about the studied material. The following group means for number of correct answers were observed.

a. What are the levels of factor A?

b. Is there an interaction between Coffee and Delay in the memory test? Explain. 

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Essentials Of Statistics For The Behavioral Sciences

ISBN: 9780357365298

10th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano, James E. Witnauer

Question Posted: