Mariela has written a scientific paper about a young man who suffered severe pelvic injuries during his wartime service. In her paper, Mariela discussed both the psychological and physical effects of the injuries, and outlines the course of treatment the young man has pursued to adjust to his injuries. To write this paper, Mariela interviewed the young man and members of his treatment team, and
was provided with access to his medical records. Mariela's paper is an example of a(n) _________
A) direct observational design.
B) experiment.
C) case study.
D) survey.
C
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If a researcher reported for a single-sample t test that t(10) = 2.50, p < .05, how many subjects were there in the study?
a. 10 b. 9 c. 11 d. 12
Meston et al. (2004) reported a survey of 1,749 randomly sampled U.S. women of whom what percentage reported ‘orgasmic dysfunction’?
A. 11% B. 24% C. 32% D. 47%
Which couple is least likely to maintain a happy marriage?
a. Han and Leia, who are motivated to meet each other's sexual needs b. Luke and Mara, who find ways to keep the romance in the relationship c. Owen and Beru, who do not discuss their marital problems d. Ackbar and Mothma, who adapt to changing circumstances in the relationship
If our sample t score falls in the critical region, we can reject the ______.
A. alternative hypothesis
B. t score
C. null hypothesis
D. 