For a repeated-measures study comparing two treatment conditions, a researcher obtains Cohen's d = 0.50 for a sample of n = 4 scores with a variance of s2= 16 . What is the value of the sample mean?
a. MD = 2 c. MD = 8
b. MD = 4 d. MD = 16
A
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By the conclusion of the preoperational stage, children are able to understand the idea that actions, events, and outcomes are related to one another in fixed patterns. This is called __________.
A. identity diffusion B. functionality C. intuitive thought D. egocentrism
Which of the following are probably vestigial structures, which have no apparent function but may have had some function in our ancestors?
a. milk teeth c. molars b. wisdom teeth d. secondary teeth
_____ is the tendency to respond to problems with a pattern of anxiety, hostility, anger, guilt, or nervousness
a. A coping style b. Negative affectivity c. Pessimism d. An aggression complex
Melanie Klein contended that there are two fundamental organizing forces in the psyche: __________, which unites the psyche, and hate, which __________
FIll in the blank with correct word.