A researcher posts a radio advertisement offering $35 in exchange for participation in a short study. The researcher accepts the first eight

Question

A researcher posts a radio advertisement offering $35 in exchange for participation in a short study. The researcher accepts the first eight people who respond to the advertisement. Which of the following statements is true about the sample?

It is a valid sample because the first eight people were selected to participate.
It is not a valid sample because it is not a random sample of the population.
It is a valid sample because money was offered to participants.
It is not a valid sample because it is only a short study.

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Gia Bảo 5 months 2021-08-19T03:57:12+00:00 1 Answers 3 views 0

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    2021-08-19T03:58:19+00:00

    Answer:

    It is not a valid sample because it is not a random sample of the population.

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