Three Groups Of Students, 5 In Each Group, Were Receiving Therapy For Severe Test Anxiety. Group 1 R

Three groups of students, 5 in each group, were receiving therapy for severe test anxiety. Group 1 received 5 hours of therapy, group 2 received 10 hours and group 3 received 15 hours of therapy. At the end of therapy each subject completed an evaluation of test anxiety. Did the amount of therapy have an effect on the level of test anxiety?

The three groups of students received the following scores on the Test Anxiety Index (TAI) at the end of treatment.

 

Answer:

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