Author Question: A researcher has received only 20 percent of the questionnaires that she sent to the 6,000 freshmen ... (Read 41 times)

karen · **on:** Jun 20, 2018

A researcher has received only 20 percent of the questionnaires that she sent to the 6,000 freshmen at a large Midwestern university. What is the first step the researcher should take to increase the return rate in this survey?

a. Telephone the non-respondents, asking them to return the questionnaire
b. Send a follow-up letter with another copy of the questionnaire and a self-addressed campus envelope
c. Telephone the non-respondents requesting a personal interview
d. Receive permission from professors to stop by classes to collect surveys.

Question 2

Vygotsky's theory of cognitive development suggests that teachers should emphasize

a. the acquisition of scientific concepts.
b. the acquisition of basic skills and facts.
c. cooperative learning among peers of similar ability.
d. discovery learning techniques.