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A cognitive psychologist wants to measure the innate 'number sense' of adult human participants using a visual task with varying numbers of geometric shapes. To ensure the operational definition isolates this innate awareness and prevents participants from using learned mathematical strategies, what specific constraint must the researcher place on the stimulus presentation?
Question: A cognitive psychologist wants to measure the innate 'number sense' of adult human participants using a visual task with varying numbers of geometric shapes. To ensure the operational definition isolates this innate awareness and prevents participants from using learned mathematical strategies, what specific constraint must the researcher place on the stimulus presentation?
Sample answer: The researcher must present the geometric shapes for a very brief duration (e.g., a fraction of a second) to prevent the participants from having enough time to actually count the objects.
Key points:
- Limit the duration of the stimulus presentation
- Prevent the ability to sequentially track stimuli
- Ensure the task cannot be solved by actual counting
Rubric: Award full credit for suggesting a brief presentation duration, rapid flashing, or any methodological constraint that explicitly prevents the participants from sequentially counting the stimuli.
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Research Methods in Psychology - 4th American Edition @ KPU
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A cognitive psychologist wants to measure the innate 'number sense' of adult human participants using a visual task with varying numbers of geometric shapes. To ensure the operational definition isolates this innate awareness and prevents participants from using learned mathematical strategies, what specific constraint must the researcher place on the stimulus presentation?