RESEARCH SCENARIO: 1. A randomized study was conducted comparing the effects of
ID: 3051781 • Letter: R
Question
RESEARCH SCENARIO:
1. A randomized study was conducted comparing the effects of repetition on recall. Conditions included the following number of repetitions per list of words: 5 times, 10 times, 15 times, and 20 times.
(a) What is (are) the factor(s) in this study? ________________________
(b) How many levels (if any) does (do) the factor(s) have? _____________
(c) What is the dependent variable? _______________________________
2. What is the research design? ____________________________________
3. What is the appropriate hypothesis test to analyze these data?_______________
4. In which source of variance would you expect the treatment effect? ________________________________________________________________________________________________________________________________________________________________________________________________
Explanation / Answer
Result:
RESEARCH SCENARIO:
1. A randomized study was conducted comparing the effects of repetition on recall. Conditions included the following number of repetitions per list of words: 5 times, 10 times, 15 times, and 20 times.
(a) What is (are) the factor(s) in this study?: number of repetitions per list of words
(b) How many levels (if any) does (do) the factor(s) have? 4
(c) What is the dependent variable? recall
2. What is the research design? : completely randomized design
3. What is the appropriate hypothesis test to analyze these data?
Ho: There is no effect of repetition on recall
H1: There is a effect of repetition on recall
4. In which source of variance would you expect the treatment effect?
Between-treatments variance (Values used to measure and describe the differences between treatments or mean differences).
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.