If Researchers Are Interested in Whether or Not It Is

Multiple Choice

If researchers are interested in whether or not it is physically possible for a person to work with more than seven pieces of information in short-term memory,what rationale would the researchers give for not using random sampling?

A) Sometimes generality does not matter.
B) Sometimes generality cannot be determined.
C) Sometimes generality can be determined.
D) Sometimes generality is best determined by nonrandom sampling.