Callie is interested in whether men are more likely to make eye contact with a male conversation partner than a female partner. She is also interested in whether the topic of conversation (masculine topic vs feminine topic) affects the amount of eye contact men make with their conversation partner. She randomly assigns 200 male participants to interact with either a male or female conversation partner (played by a research assistant) and to either discuss a masculine (sports) or feminine (childcare) topic for 5 mins. Research assistants then time eye contact duration for each participant over the 5 min window. Identify each of the following: The general method used by the researcher, the independent and dependent variables, the number of conditions or study groups, and whether or not
Callie can make causal inferences from her results. Why or why not can Callie infer causality from this design? Are there any possible interaction effects and how do you know?
What will be an ideal response?
This is a true experiment because the researcher manipulates and has experimental control over the independent variables while randomly assigning participants to one of four conditions. The IVs are the sex of the interaction partner and the topic of conversation. The DV is eye contact duration. Callie can make causal inferences because this is a true experiment with manipulation, control, and random assignment. There is a possible interaction effect between the sex of the conversation partner and the topic of conversation.
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