Discussion 1,2,3 - Experimental Psychology

Experimental psychology:

DQ1:

Does the presence of a significant interaction change the interpretation of significant main effects? Provide one example to support your answer. (Be sure to include a minimum of two independent variables). (At least 150 words)

DQ2:

Describe how you would use a posttest-only nonequivalent control group design to test the effectiveness of a new reading program (compared to the current reading program) for teaching reading to elementary school children. (At least 150 words)

DQ 3:

When an observer is confronted with a complex situation, it can be impossible to observe many different individuals and record many different behaviors simultaneously. Give a detailed example (who, what and where) of a complex situation that would be of interest to you as a psychologist. What type of sampling observation (time, event, or individual) would you use to record your observations and why? (At least 150 words)