PPT Slide

Statistical Analysis of 3 x 3 Factorial Experiment: Case A

Factor A: Study Method Factor B : Incentive Level

A1 = read only B1 = low incentive (20 cents)

A2 = read plus underline B2 = medium incentive (1 dollar)

A3 = read plus summarize B3 = high incentive (5 dollars)

Note: Both independent variables are manipulated between-groups

Table of Means:

A1 A2 A3 Total

B1 4.90 8.60 12.80 8.93

B2 10.00 11.80 13.20 11.67

B3 15.20 15.00 15.30 15.17

Total 10.37 11.80 13.60