10 Questions
What is a potential problem in research studies where participants guess the purpose of the study and alter their behavior accordingly?
Demand characteristics
What is a technique used to minimize the impact of demand characteristics in research studies?
Double-blind procedures
Which type of bias occurs when a researcher's expectations influence their interpretation of the results?
Observer bias
What is a problem that arises when participants drop out of a study over time?
Attrition
What is a technique used to minimize the impact of order effects in research studies?
Counterbalancing
What occurs when extreme scores tend to average out over time in a research study?
Regression to the mean
What is a problem that arises when participants change their behavior over time due to natural or spontaneous changes?
Maturation
What occurs when participants' responses change as a result of taking a test multiple times?
Testing
Which research design is likely to be affected by observer bias?
Open-label study
What is a technique used to minimize the impact of maturation in research studies?
All of the above
Test your understanding of the differences between experimental and quasi-experimental studies in research, including factors that determine when to use each type. Learn about the random assignment, control, and validity of each study type.
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