Professor Lyon decided to study food preferences of U.S. college students, so he asked his students to volunteer to participate in a lengthy survey. Based on the information given, Professor Lyon's survey results are probably invalid because:
A)he did not use an operational definition.
B)the sample selected is not representative of the larger group.
C)the selected hypothesis cannot be disproved or tested in any meaningful way.
D)he did not use independent and dependent variables.

Question

Quizplus · Accepted Answer

The survey results may not be valid because the sample selected may not be representative of the larger group of U.S. college students, which means the results cannot be generalized to the larger population. Without a representative sample, the results may not accurately reflect the food preferences of U.S. college students.

Professor Lyon Decided to Study Food Preferences of U