A consumer magazine surveyed people who had sought a psychologist’s help with a personal problem. Of those responding who had received treatment for 6 months or less, 20 percent claimed that treatment “made things a lot better.” Of those responding who had received longer treatment, 36 percent claimed that treatment “made things a lot better.” Therefore, psychological treatment lasting more than 6 months is more effective than shorter-term treatment.
Which one of the following, if true, most seriously weakens the argument?

Question

Examsnet · Accepted Answer

Correct Answer is : Patients who feel they are doing well in treatment tend to remain in treatment, while those who are doing poorly tend to quit earlier.

LSAT India Practice Test 1 Section 3 with answers for free online practice