Asked by Shirley Zhang on Apr 28, 2024
Verified
Participants in a study on how age affects reaction time were asked to press a button every time they heard a buzzer. A person standing at a podium in front of them triggered the buzzer by flipping a hidden switch. During the experiment the switch operator began to flinch slightly before the buzzer sounded. The results of this study would be confounded due to ___________
A) inferential bias.
B) experimenter bias.
C) selection bias.
D) control bias.
Confounded
Confusion or a mix-up, especially in experimental results, caused by unexpected variables affecting the outcome.
Experimenter Bias
A form of bias introduced by the expectations or beliefs of the experimenter affecting the outcomes of an experiment.
Flinch
A quick, involuntary movement or draw back, often from fear or pain.
- Acquaintance with multiple biases, including selection and experimenter biases, that have the potential to affect the validity of research work.
Verified Answer
AM
Alana MarieApr 29, 2024
Final Answer :
B
Explanation :
The flinching of the switch operator could create experimenter bias, as the participants may unconsciously pick up on the cue and adjust their reaction time accordingly.
Learning Objectives
- Acquaintance with multiple biases, including selection and experimenter biases, that have the potential to affect the validity of research work.
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