Why can we never be sure that a sample represents a population?
a. Random selection never works the way it is supposed to work.
b. Samples created by random selection are almost never perfectly representative.
c. A random sample may poorly represent a population, or it may accurately represent a different population.
d. If selection is conducted correctly, samples always accurately represent the populations they are supposed to represent.
C
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What are some of the findings regarding sex differences in children's mental health problems?
What will be an ideal response?
Attending college, joining the military for a short stint, and traveling for an extended time before settling down all
a. postpone adulthood. b. allow one's identity to develop and then become fixed at adulthood. c. lead to lower levels of college attendance. d. require that one's identity crisis be resolved in the teenage years.
The term _____ refers to the structured knowledge that children acquire about the characteristics and typical activities of males or females
A) gender schema B) gender consistency C) gender identity D) socialization
A researcher is interested in examining the relationship between one's actual memory abilities and one's perception of how good his or her memory abilities are. Subjects in this study are given a study list of words and asked to remember these words after a short delay. They are also given a questionnaire and asked how good the subject thinks his or her memory is, where a high score means the subject thinks he or she has high memory abilities. The researcher finds a small but positive relationship between the memory test scores and the questionnaire scores.Explain how you know which research design is being used.
What will be an ideal response?