Choose the statement about surveys that is false.
A) Surveys are the most practical way to gather data on large numbers of people.
B) Surveys consist of interviews, questionnaires, or a combination of the two.
C) Interviews take less time to administer than questionnaires, and the results are more uniform.
D) Questionnaires prevent the researcher's mannerisms from influencing the participant's answers.
Ans: C) Interviews take less time to administer than questionnaires, and the results are more uniform.
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A child who has difficulty mastering specific academic skills such as reading, but who has normal intelligence and no physical or sensory handicaps, might be categorized as having which of the following?
A) A form of mental retardation B) A communication disorder in language C) Cognitive deficiencies D) A learning disability
In which type(s) of study do researchers have to be concerned about selective attrition (the problem that some participants drop out before the study is complete)?
a. Longitudinal study b. Cross-sectional study c. Both longitudinal and cross-sectional studies, but mainly cross-sectional d. Neither cross-sectional nor longitudinal studies