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According to the text, ________ are an economical and quick source of background information.
Q3: Low sample control and low response rates
Q11: _ occurs when the sample results lead
Q12: In a short essay describe the characteristics
Q21: Which experimental design means that two groups
Q27: All of the following are recognized as
Q46: Completion techniques are a natural extension of
Q75: Responses given because the respondents attempt to
Q80: Discuss the traditional mail interview method and
Q119: _ refer to the psychological profiles of
Q137: According to the text, categories are mutually