Question

For each of the following statements, please complete the following three tasks:

a. Draw Campbell and Stanley Symbols (“R”, “X”, “O”).

b. Identify the type of research design for each (A. Pre-experimental, B. Experimental, C. Quasi-experimental and D. Ex Post Facto).

c. Comment on how likely you can draw a causal conclusion.

3. A researcher wants to know whether playing chess can make kids smarter. The researcher considers the following three scenarios:

He randomly selects 50 elementary school students who do not play chess. He measures their IQ first, then he puts them in a chess program for training and playing daily for two hours after school. Six months later, he measures the students' IQs again and compares their IQs before and after they attend the chess program.

Answer 1

(a). The Stanley-Campbell symbol is : R O₁ X O₂

(b). The type of research design is Experimental.

(c). It is highly likely to draw causal conclusions from the results.