Dr. Boser is studying family relations and plans to define family cohesiveness in terms of the number of weekly activities families do together. Defining family cohesiveness in this way would:
a. be a testable hypothesis
b. provide empirical verification of the concept
c. violate general research ethics
d. represent an operational definition
D
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According to Vygotsky, what is "private speech?"
a. Proof that cognitive development precedes language development b. Proof that language development precedes cognitive development c. The ultimate binding of language and thought d. Proof that children do not understand the rules of grammar
All of these are reasons sexually active adolescents are more vulnerable to STIs than older individuals except
a. they are less likely than older people to use protection against STIs during intercourse. b. they engage in oral sex and are not aware that is a medium of transmitting STIs. c. because they recently went through puberty, their bodies are more prone to infection. d. they are more likely to have multiple sex partners, increasing the odds of contracting an STI.
Carl works for a large advertising firm, and his latest assignment is to develop a campaign educating people about the dangers of eating fatty, high-calorie foods. This can be classified as a type of:
a. secondary prevention b. tertiary prevention c. primary prevention d. auxiliary prevention
What level of measurement do categorical data represent?
a. Ratio b. Nominal c. Interval d. Ordinal