A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of µ = 80 and a standard deviation of ? = 12. After treatment, the effect size is measured by computing Cohen's d, and a value of d = 0.50 is obtained. Based on this information, what is the mean for the treated sample?
A) ?M = 6
B) ?M = 82
C) ?M = 86
D) ?This cannot be answered without knowing the sample size.
C
Psychology
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In a male sex organs, testosterone is secreted by the
A) Cowper's glands. B) seminiferous tubules. C) epididymus. D) interstitial cells.
Psychology
Brain studies show that adult sociopaths display subtle neurological problems, such as having unusual brain-wave patterns that suggest
a. underarousal of the brain. b. overarousal of the brain. c. a lack of selective attention. d. low levels of acetylcholine.
Psychology