Multiple Choice
A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded. 
Assume there is a real effect and estimate the size of effect, using Cohens d. = _________.
A) 1.10
B) 0.03
C) 1.11
D) 0.02
Correct Answer:
Verified
Correct Answer:
Verified
Q50: A professor of women's studies is interested
Q51: In an independent groups design, if the
Q52: If n 1 = n 2 and
Q53: A professor of women's studies is interested
Q54: In a t test for two independent
Q56: In employing a correlated groups design, one
Q57: A dog food manufacturer believes that he
Q58: What are the variables that affect the
Q59: The t test for independent groups is
Q60: Homogeneity of variance means that µ 1