The combination birth control pill works primarily by preventing implantation
a. True
b. False
b
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Dorie lives in a household where her parents are gone most of the time. Even when they are home, Dorie goes to school wearing dirty clothes and having had no breakfast. What type of parents is Dorie likely to have?
A. uninvolved B. permissive C. authoritarian D. authoritative
Which group of students tends to have the highest rate of computer use?
A. Hispanic B. Asian American C. white D. African American
Which statement about sleeping medications is TRUE?
A) Sleeping pills usually are effective for the long-term management of insomnia. B) Sleeping pills can be effective for short-term treatment of insomnia. C) The proportion of time spent in REM sleep is increased by sleeping pills. D) Most sleeping pills are not addictive.
If an operational definition has construct validity:
a. it is consistent with the hypotheses. b. it adequately represents a concept. c. it relies on inductive reasoning. d. it will be uncorrelated with other variables.