Approximately ______ percent of children experience at least one episode of either sleepwalking or sleeptalking before adolescence
a. 20 c. 60
b. 40 d. 80
A
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Maslow's hierarchy of needs includes all of the following EXCEPT
a. self-actualization. b. safety/security. c. social/belonging. d. unconditional positive regard.
Studies have found
a. heterosexual couples are more sexually satisfied than gay or lesbian couples. b. gay couples are more sexually satisfied than lesbian or heterosexual couples. c. lesbian couples are more sexually satisfied than gay or heterosexual couples. d. comparable levels of sexual satisfaction in gay, lesbian, and heterosexual couples.
What are the degrees of freedom for an independent samples t-test that uses two samples with n = 12 in each sample?
a. 23 c. 21 b. 22 d. 20
The first signs of play involve activities that children discover with ________
Fill in the blank with the appropriate word.