Complete the mcq:
Q1: For which of the following situations would a repeated measures research design be appropriate?
comparing verbal solving skills for science majors vs art measures
comparing math skills for girls vs boys at age 10
comparing pain tolerance with and without acupuncture needles
comparing self esteem for students who participate in school athletics vs those who don't.
Q2: A repeated measures study uses a a total of n=10 participants to compare 2 treatment conditions. how many scores are measured in this study, how many scores are actually used to compute the sample mean and sample variance?
20 measured and 20 used
10 measured and 10 used
10 measured and 20 used
20 measured and 10 used
Q3: The following data were obtained from a repeated measures study. What is the value of MS for these data?
Subject 1st 2nd
#1 10 15
#2 4 8
#3 7 5
#4 6 11
3.5
4
3
4.5
Q4: The following data where obtained from a repeated measures study. what is the value of SS for the difference scores?
Subject 1st 2nd
#1 10 11
#2 4 6
#3 7 9
#4 6 5
1
6
4
10
Q5: A repeated measures study using a sample of n=20 participants would produce a t statistic with df=_____.
20
39
9
19
Q6: A research study produces a t statistic with df=14. for this study which of the following designs would require a total of 30 participants?
none of these choices
an independent measures design
a repeated measures design
a matched subjects design
Q7: A repeated measures study and an independent measures study both produces a t statistic with a df=10. how many individuals participated in each study?
11 for repeated measures and 11 for independent
11 for repeated and 12 for independent
12 for repeated and 12 for in independent
12 for repeated and 11 for independent
For the repeated measure t statistic , df=______.
n1+n2-2
(n1-1)+(n2-1)
n1 +n2-1
n-1
Q8: Which of the following is the correct null hypothesis for a repeated measures t test?
uD=0
M1-M2
MD=0
u1=u2
Q9: If the null hypothesis is true, what value is expected on average for the repeated measures t statistic
1
0
t>1.96
1.96