Sampling is most useful for helping to ensure Reliability Generalizability Inter

Question

Sampling is most useful for helping to ensure Reliability Generalizability Internal Validity Consistency For which of the following reasons are samples typically used? Collecting information from a population may be prohibitively expensive in terms of time and money in many cases. it is impossible to collect information on all people in a population, the sample accurately reflects the characteristics of the population, All of the above. Probability sampling is best characterized by: Systematic selection Random selection Purposive selection Heterogeneous selection Lack of external validity (i.e.. generally, /ability) may be due to: Faulty operational definitions Ambiguous questionnaire items Inadequate sampling procedures Unreliable questionnaire items

Explanation / Answer

The answers for the following question is follows:

Question 5) Reliability

Question 6) All of the above

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