Question: Nursing research studied the effect of three conditions on the performance of psychomotor tasks as measured by time. The following data on the number of tasks performed was collected on 3 groups for comparison purposes:

Reinforcement No Reinforcement Control

15 7 7

4 3 10

10 4 5

11 4 5

6 2 6

12 5 2

9 8 6

Test the hypothesis that no difference exists between the groups at α = 0.05 and perform and report all related tests and statistics.