For the following question(s): A school counselor claims that he has developed a technique to reduce prestudying procrastination in students. He has students time their procrastination for a week and uses this as a pretest (before)indicator of procrastination. Students then attend a workshop in which they are instructed to do a specific warming-up exercise for studying by focusing on a pleasant activity. For the next week, students again time their procrastination. The counselor then uses the time from this week as the posttest (after)measure.
-Suppose the counselor wants to examine whether there is a change of any kind (either an increase or decrease)in procrastination after attending his workshop. What would be the appropriate description of "Population 2" (the population to which the population his sample represents is being compared)?
A)People whose posttest scores will be lower than their pretest scores
B)People whose change scores will be greater than 0
C)People whose change scores will be 0
D)People whose change scores will be less than their pretest scores

Question

Quizplus · Accepted Answer

The appropriate comparison for examining any change in procrastination after the workshop is to a population where there is no change in procrastination levels, which means their change scores (posttest - pretest) would be 0.

For the Following Question(s): a School Counselor Claims That He