Please just answer 1, b or c. It will make it easier for both of us!!! Professor
ID: 3323391 • Letter: P
Question
Please just answer 1, b or c. It will make it easier for both of us!!! Professor Faulpelz asks a random sample of high school freshmen about their TV viewing habits. Four years later, he obtains their final high school grade point averages and compares these with the answers about TV viewing habits. He finds that students who watch a lot of TV get lower grades than those who don't. When it comes to high school GPA, the answers to the Faulpelz questionnaire on TV viewing habits A. are invalid because of convenience sampling. B. are invalid because they are biased against students whose parents watch TV a lot. C. are invalid because there were no controls. D. have predictive validity.
Explanation / Answer
Answer: Option D) have predictive validity (the answers to the questionnaire can be used to predict
performance in high school)