Asked by Patrick Murphy on May 10, 2024
Verified
When conducting an experiment on time management, Jamie assigns everyone who arrives before noon to the experimental group and everyone who arrives after noon to the control group.In the context of experimental research methods, what is wrong with Jamie's experiment?
A) The experiment is not ethical.
B) Jamie has not used true random assignment.
C) Jamie has introduced a confederate into the experiment.
D) The experiment is deceptive.
Random Assignment
Researchers’ assignment of participants to groups by chance, to reduce the likelihood that an experiment’s results will be due to preexisting differences between groups.
Experimental Research
A methodological approach in scientific studies where variables are manipulated to assess their effects on other variables, typically within a controlled environment.
- Identify and explain the importance of random assignment and its role in establishing causal relationships in experiments.
Verified Answer
SM
Sayyed MustaheerMay 15, 2024
Final Answer :
B
Explanation :
Jamie's experiment lacks true random assignment, as the grouping is based on arrival time rather than a random selection process. This can lead to bias and affect the validity of the experiment.
Learning Objectives
- Identify and explain the importance of random assignment and its role in establishing causal relationships in experiments.