In an experiment with wholesalers, a researcher manipulated perception of task difficulty and measured level of aspiration for performing the task a second time. Group 1 was told the task was very difficult, group 2 was told the task was somewhat difficult but attainable, and group 3 was told the task was easy. Perform an ANOVA on the resulting data:

Level of Aspiration (10-Point Scale)

Subjects Group 1 Group 2 Group 3

1 6 5 5

2 7 4 6

3 5 7 5

4 8 6 4

5 8 7 2

6 6 7 3

7 6 6 6