Consider the following surveys and questionnaire items. Which administration method would you…

Consider the following surveys and
questionnaire items. Which administration method would you consider more
appropriate in terms of (a) reduction of nonsampling error and (b) cost?

a. Compute the expected number of valid
responses for each of the administration types. b. Your client pretends that
you use mall-intercept on at least part of the sample and that the sample size
should not be less than 700. What is the most effective way to proceed with
mixed administration methods?

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