A sample of difference scores has a mean of MD = 5 with a variance of s2 = 100. If effect size is measured using Cohen's d, what is the value of d?
A) ?d = 5/10
B) ?d = 5/100
C) ?d = 25/100
D) ?This cannot be determined without knowing the sample size.
A
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A secure base is a(n)
a. outpost for children located in hostile territory. b. refuge for victims of child abuse. c. playmate who has many desirable toys. d. place from which the infant can venture to explore.
When members of a group share similar attitudes, these attitudes can become intensified and decisions are more likely to involve
a. no-risk. c. splits among members. b. risk. d. none of these.
Nearly 15 percent of recent marriages occurred between partners of different races or ethnicities
Indicate whether the statement is true or false.
Marcus loves world geography. He spends four or five hours every day on the internet researching and learning about different places around the world
His mother has tried to help him organize all of the information he gathers, but he has his own way of learning the material - he puts every piece of information on sticky notes that he places throughout the house. Winner (1996) would argue that Marcus A) is precocious. B) marches to his own drummer. C) is obsessive-compulsive. D) has an anxiety disorder.