Weber law states that:

A The just noticeable difference is a constant proportion of the original stimulus

B Sensory adaptation occurs over time

C Threshold decreases with age

D All senses have the same threshold

✓ Correct Answer: Option A

Weber law: the JND (just noticeable difference) is a constant fraction of the stimulus intensity. ΔI/I = constant.

💡 Why is A) the correct answer?

The correct answer to the question "Weber law states that:" is Option A: The just noticeable difference is a constant proportion of the original stimulus.

The other options — B) Sensory adaptation occurs over time, C) Threshold decreases with age, D) All senses have the same threshold — are incorrect for this MCAT Exam Prep question. As explained above: Weber law: the JND (just noticeable difference) is a constant fraction of the stimulus intensity. ΔI/I = constant.

📚 About This MCAT Exam Prep Practice Question

This 2-level MCAT Exam Prep question from the Psychological, Social & Biological Foundations topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free MCAT Exam Prep practice test or use flashcards for spaced repetition review.

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Weber law states that:

✓ Correct Answer: Option A

📚 About This MCAT Exam Prep Practice Question

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