Use of a sample not randomly selected in an experiment
A) makes random assignment impossible.
B) limits the degree to which the results can be generalized to the whole population.
C) requires the use of ratio scales of measurement.
D) interferes with the use of quantitative independent variables.

Question

Quizplus · Accepted Answer

A sample that is not randomly selected may not be representative of the entire population, which limits the degree to which the results can be generalized to the whole population. The other options are not necessarily affected by the use of a non-randomly selected sample.

Use of a Sample Not Randomly Selected in an Experiment