Which of the following is a parametric inferential statistical test of the null hypothesis for a single sample where the population variance is not known?
a. z test
b. t test
c. Cohen's d
d. The standard error of the mean
b
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When an individual's symptoms are improved for a period of time, this improvement is referred to as __________
Answer:
Vera has the following cyclical pattern of symptoms. A week before her period, she is persistently angry and anxious, has body aches, and she has marked interpersonal conflicts that interfere with her work and social relationships. According to the DSM-5, what condition might Vera have?
a. premenstrual dysphoric disorder b. "adjustment disorder" c. a gynecological disorder called "raging hormones" d. no diagnosable mental disorder
LSD's effect is due to its similarity to:
A. heroin B. dopamine C. caffeine D. serotonin
Blocking designs are classified as ____ designs
a. signal-enhancing b. signal-reducing c. noise-enhancing d. noise-reducing