Cognitive Psychology quizzes
How your mind uses shortcuts to make decisions, and why these shortcuts can sometimes lead you astray.
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Cognitive Psychology: Perception and psychophysics · Thresholds and Psychophysical Laws
How psychologists measure the faintest sensation and the smallest noticeable change, and why perception tracks ratios rather than amounts.
24 questions -
Cognitive Psychology: The Mind's Clever Shortcuts
A tour of how we perceive, attend, remember, reason and decide, and of the surprising ways the mind cuts corners.
50 questions
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From Cognitive Psychology: Perception and psychophysics · Thresholds and Psychophysical Laws
Why is a sensory threshold defined statistically rather than as a sharp cutoff?
- People usually lie about faint stimuli
- Detection near threshold varies from trial to trial
- Instruments cannot measure very weak stimuli
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Answer: Detection near threshold varies from trial to trial
Random noise in the nervous system and shifts in attention mean the same faint stimulus is sometimes noticed and sometimes not.
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