What has been shown to increase the IQ scores of disadvantaged children from minority racial and ethnic groups?
a. Giving a test with only hard items
b. Having an unfamiliar examiner
c. Telling the child that the exam was not going to be scored
d. Making sure they associate the test with "white" culture
c
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Charlene is 12, and her elderly aunt has come for a visit. The aunt is using the spare bed in Charlene's room. Several times during the night, the aunt awakens briefly and then falls back to sleep. Charlene doesn't awaken at all during the night. This difference in sleep patterns can best be explained by research that shows a. during adulthood, the proportion of REM sleep gradually increases
b. during adulthood, the proportion of slow-wave sleep increases significantly. c. the elderly are more affected by jet lag and shifts in their circadian rhythm. d. during adulthood, the proportion of slow-wave sleep gradually declines.
The cell membrane is composed of two layers of _____
a. protein b. fat c. carbohydrate d. plasma
Scientists have long known that body activity is guided by internal "biological clocks" known as
a. biofeedback. b. stimulus motives. c. circadian rhythms. d. homeostatic equilibrium.
In the back of the eye is the "optic disk" where cells exit to the brain. This area results in
A) depth perception B) color vision C) floaters D) the blind spot