An educational researcher wants to determine whether diet causes children to learn better in school. In this study, the independent variable is
A) ?the children.
B) ?the type of diet.
C) ?the age of the children.
D) ?a measure of learning.
B
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To help us make sense out of sensations, our brain creates our perceptions by using preexisting knowledge such as
a. transduction and feature detectors. b. sensory coding and sensory localization. c. the principles of perceptual grouping and perceptual constancies. d. the principle of accommodation and psi phenomena.
For companies, turnover refers to the rate at which
A) employees are promoted. B) product lines are replaced. C) employees work. D) employees leave the company.
Which of the following statements regarding sibling relationships is not true?
a. Older siblings report being more dominant and nurturing toward their younger siblings. b. As children get older, they report having more egalitarian relationships with their siblings. c. As children get older, they report more intense feelings of warmth and conflict toward their siblings. d. Sibling relationships tend to remain stable through middle childhood.
Sherif's study of individuals watching a pinpoint of light indicated that:
A. social influence is strongest among friends rather than strangers. B. Americans conform less than do persons born in other countries. C. group behavior can be predicted from individual behavior. D. people conform when they face ambiguous situations.