Sexual motivation is influenced by many factors. Which of the following reflects reasons people choose to have sex, according to a survey by Meston & Buss (2007)?
A) instrumental reasons
B) emotional reasons.
C) reproduction.
D) all of the above.
Answer: D
Rationale: Many respondents used sex for instrumental reasons. Others reported emotional reasons. Reproduction was also listed but ranked far down the list.
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Serena is given the following word problem to solve: "Fran has 4 apples and she loses 2. Cayton has 5 apples and he loses 4. How many apples do Fran and Cayton have?" In the problem-solving model for solving word problems, what strategies might Serena use in Step 1 (building a mental representation of the problem) to solve this word problem?
What will be an ideal response?
A researcher initiates a study to determine whether there is a significant decrease in student stress if class quizzes are announced rather than given on a "pop" basis. This study can best be classified as ____ research
a. basic b. applied c. systematic d. necessary
The ordering and duration of daily sleep and waking periods are known as
a. meridian rhythms. b. sleep patterns. c. REM cycles. d. sleep stages.
Piaget hypothesized that _______________ is essential in the ability to understand hierarchical
relationships. a. decentration b. figurative thinking c. descriptive thinking d. reversibility