According the National Comorbidity Study, the lifetime prevalence of nicotine dependence is approximately ______ percent
a. 2
b. 12
c. 24
d. 40
Answer: c.
You might also like to view...
Infants in Kellman and Spelke's habituation experiment looked at a rod that was covered by a block. They were better able to perceive the rod tips as part of a whole rod when
a. verbal hints were given by the researcher. b. the rod moved back and forth behind the block. c. the opaque block was briefly made transparent. d. candy rewards were supplied for the correct answers.
Physical attractiveness is associated with such diverse accomplishments as getting good grades, obtaining better jobs, and having fewer serious psychological disorders
Indicate whether the statement is true or false.
In Dr. Jeffers' study, he discovered that many of the participants had a special appreciation for the scientific value of research. Dr. Jeffers should be concerned with
A) practice effects. B) selective attrition. C) cohort effects. D) biased sampling.
An author should write only in the present tense throughout an APA-style manuscript.
Answer the following statement true (T) or false (F)