In Your Study of College Students' Exam-Related Stress You Select

Multiple Choice

In your study of college students' exam-related stress you select a random sample of 400 students at your college to participate, but only 180 students respond to your internet survey. If these respondents seem motivated to respond to your survey because they experience high stress and this is a topic that is important to them, you have a problem with:

A) statistical weighting
B) response bias
C) margin of error
D) cohort effects
E) attrition