Professor Wallace studied over 3,000 elderly individuals for a decade and found a statistically significant relationship between survival rate and number of close friends. Specifically, he found that elderly individuals with few close friends had a much higher death rate. To say that the results of his study are "statistically significant" means that:
a. the finding has great practical value and significance.
b. there is a cause-and-effect relationship between the two variables.
c. the finding does not have to be replicated to be accepted by the scientific community.
d. the results are unlikely to have occurred by chance.
Answer: d. the results are unlikely to have occurred by chance.
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Which of the following students' statements about older women of color is true?
a. Alyssa: "Elderly Black women tend to be active in their community, but not closely involved with their grandchildren.". b. Rachna: "Latina grandmothers are not expected to help with their grandchildren.". c. Linh: "European American children are more likely than Asian American children to be respectful of their grandparents.". d. Pliny: "Apache grandmothers are expected to be wise, energetic, and a resource about their cultural heritage for their grandchildren.".
All of the following are predictors of adolescent drug use EXCEPT for
a. social conformity. b. parental drug use. c. poor self-esteem. d. stressful life changes.
Which of the following correctly describes the activity level of the locus coeruleus during different states of consciousness?
a. active during wakefulness and REM sleep, but silent during NREM sleep b. active during wakefulness, quieter during NREM sleep, and silent during REM sleep c. silent during wakefulness, active during REM sleep, and silent during NREM sleep d. active during wakefulness and silent during both REM and NREM sleep
Most American minority cultures, including African Americans, Latinos, and Asian Americans, have been classified by researchers as "authoritarian." This is inaccurate because these cultures were being compared to ____
a. only their own cultures b. the industrial cultures of Europe c. traditional Asian cultures d. White majority culture