In sampling, a restriction of range can lead to:
A) small sample sizes.
B) rejecting the null hypothesis.
C) complicated data analysis.
D) insufficient variation in the sample to detect significant differences.

Question

Quizplus · Accepted Answer

For sampling to provide data useful for interpretation, there must be sufficient variability in scores obtained. If only a portion of the potential sample is included, the researcher may make conclusions based on the characteristics of the limited sample (see Figure 2.2). On the other hand, there may be situations where the researcher is only interested in a particular portion of the sample and so 'controls' for the variable to focus on the variables of main interest.

In Sampling, a Restriction of Range Can Lead To