Question

For each of the following statements, please complete the following three tasks: Draw Campbell and Stanley Symbols (“R”, “X”, “O”). Identify the type of research design for each (A. Pre-experimental, B. Experimental, C. Quasi-experimental and D. Ex Post Facto). Comment on how likely you can draw a causal conclusion. He randomly selects 100 elementary school students who do not play chess. He randomly assigns 50 of them into a chess program for training and playing daily for two hours after school. The remaining 50 students serve as control; they do not play chess. After half a year, he measures and compares the IQs of students in the two groups.

Answer 1