Asked by Lindani Skhosana on Jun 13, 2024
Verified
Which of the following is NOT a source of confounding variables?
A) random assignment
B) selection bias
C) placebo
D) experimenter bias
Confounding Variables
Factors other than the independent variable(s) that are unequal across groups.
Random Assignment
A method used in experiments to ensure that every participant has an equal chance of being assigned to any given group, thereby reducing bias.
Experimenter Bias
A phenomenon that occurs when a researcher’s preconceived notions or expectations in some way influence participants’ behavior and/or the researcher’s interpretation of experimental results.
- Awareness of various types of biases (e.g., selection, experimenter) that can affect research validity.
Verified Answer
Learning Objectives
- Awareness of various types of biases (e.g., selection, experimenter) that can affect research validity.
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