Question detail
In a reaction-time experiment, which factor is commonly controlled to ensure valid results?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The human nervous system
Question
- A. The type of stimulus used
- B. The time of day the experiment is conducted
- C. The participant's age
- D. The distance from the stimulus
Answer
The type of stimulus used
Explanation
Controlling the type of stimulus ensures that any differences in reaction time are due to the participant's response rather than variations in the stimulus itself.
Common mistake
Misinterpreting Reaction-Time Data
Students often misinterpret the significance of reaction-time data, confusing faster reaction times with better overall performance without considering the context of the experiment.
To fix this, students should focus on understanding the specific conditions of the experiment and how they relate to the reaction times, ensuring they analyze the data in context rather than in isolation.
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