Suppose a researcher compares 50 pairs of husbands and wives on a variety of attitudes. In doing so, the researcher is making use of _________________ samples with a ______________________ design

________ norms specify what ought to be done in a particular situation

FIll in the blank with correct word.

All of the following may be considered responsibilities of the scientist except: Scientists are obligated to

a. study only those problems that have practical significance. b. inform and educate the public about their research findings. c. respond to the public's concerns about research. d. critically examine the ideas of other scientists.