The fraternal male twin of a gay man has about a _____% chance of being gay.

A) 1
B) 5
C) 15
D) 50


C) 15

Psychology

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Compare and contrast iconic and echoic memory.

What will be an ideal response?

Psychology

Currently, the main cause of preventable deaths in the United States is

a. smoking. b. unsafe sexual behavior. c. alcohol abuse. d. obesity.

Psychology

Many nonparametric tests are called ______ because they make no assumptions regarding the shape of the distribution in the population.

A. parametric tests B. skewed-distribution tests C. significance-free tests D. distribution-free tests

Psychology

What is restriction of range and what causes it? Explain the consequences of restriction of range. Give an example.

What will be an ideal response?

Psychology