A researcher surveys the students in a university sorority and finds that 50% of them know someone with bulimia. What type of statistic is this researcher using?
a) inferential
b) significant
c) descriptive
d) correlational
c
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The textbook’s discussion of message framing suggests that gain-framed messages are to ______ prevention as loss-framed messages are to ______ prevention.
A. secondary; primary B. tertiary; secondary C. tertiary; primary D. primary; secondary
According to the National Comorbidity Survey Replication, what percentage of U.S. adults with one mental disorder also met criteria for at least one other disorder?
a. 10% b. 25% c. 45% d. 70%
The sleep researcher William Dement awakened volunteers each time they entered REM sleep. Which of the following was NOT one of Dement's findings?
a. By the fifth night, many of the volunteers had to be awakened 20 to 30 times to prevent REM sleep. b. During their waking hours, the volunteers, who were deprived of REM sleep, complained of memory lapses, poor concentration, and anxiety. c. When volunteers were finally allowed to sleep undisturbed, they exhibited extra amounts of dream sleep. d. After being REM sleep deprived, the volunteers exhibited more instances of sleep terrors and/or somnambulism.
Most zygotes with serious chromosomal problems
are born prematurely. do not begin to develop or are aborted spontaneously. are stillborn. are born after a full-term pregnancy.