Professor Kramer has decided to measure how happy his students are with his teaching this semester. He is teaching two classes this semester-Psychology and Law and Introduction to Neuroscience. He gives his students a survey.
If all the students in Dr. Kramer's two classes complete the survey, then Dr. Kramer has done which of the following?
A)Decreased the external validity of his study
B)Collected too much data
C)Relied on a census
D)Enhanced sampling bias

Question

Quizplus · Accepted Answer

By having all students in his classes complete the survey, Dr. Kramer is relying on a census, which means he has collected information from the entire population rather than just a sample. This can be beneficial as it reduces sampling bias and can increase the accuracy of the results.

Professor Kramer Has Decided to Measure How Happy His Students