In an experiment, the variable that is manipulated by the researcher to observe its effect is called what?


Which of the following is a potential problem with using a convenience sample in experimental research? What term describes the tendency for participants to behave differently when they know they are being observed? What is the main purpose of random assignment in experimental research? In a factorial design, what is being tested? What is the primary advantage of using a laboratory experiment in psychology? Which term refers to the extent to which research findings can be generalized to real-world settings? What does a p-value tell researchers in hypothesis testing? A researcher measures both heart rate and reaction time to study the effects of stress. Heart rate and reaction time are examples of what? Which type of bias occurs when the researcher?s expectations influence the outcome of the study? What is a placebo used for in an experimental study? In an experiment, the variable that is manipulated by the researcher to observe its effect is called what? In a double-blind experiment, who is unaware of which participants belong to the control group and which belong to the experimental group? What type of validity is concerned with whether an experiment truly measures what it claims to measure? Which statistical method is most appropriate to analyze the relationship between two continuous variables? Which type of research design involves observing subjects in their natural environment without intervention? What is the main disadvantage of a within-subjects design compared to a between-subjects design? What is meant by "demand characteristics" in an experiment? What does "statistical significance" in experimental research mean? Which type of experimental design involves using the same participants in all conditions of the experiment? What is the purpose of using a control group in an experiment?