A researcher testing a new cholesterol medication develops a…

A researcher testing a new cholesterol medication develops a placebo that is visually indistinguishable from the study medication (each pill has the same color, shape, size, etc.). A study nurse will call every participant each week and ask them if they’ve experienced any side effects, regardless of experimental condition (that is, regardless of whether participants receive the new anxiety medication or the placebo pill). In doing this, the researchers were most likely attempting to control for _________.

An interviewer asks a participant a series of open-ended que…

An interviewer asks a participant a series of open-ended questions in pre-specified order. The interviewer has been asked to read the questions exactly as written, but has been informed that they are allowed to ask follow-up questions if needed to clarify answers (for example, they can ask “I’m not sure what you mean by that, can you tell me more?). This type of interview is best described as an: