You Compute Difference Scores for Several Different Tests

Multiple Choice

You compute difference scores for several different tests. You look for "significant differences" in scores, say at the ".05 level." What generalization should you keep in mind as you make multiple comparisons?

A) The fewer comparisons you make, the more likely you'll find a significant difference.
B) The more comparisons you make, the more likely you'll find a significant difference.
C) As long as you keep the .05 level, your chance of finding a significant difference remains the same.
D) If you change to the .01 level, your chance of finding a significant difference remains the same.