Why Was It More Difficult to Design an Experiment That

question 20

Multiple Choice

Why was it more difficult to design an experiment that would prove the existence of neutrons than it was to design an experiment that would prove the existence of either protons or electrons?

• A) Neutrons are smaller than either protons or electrons, so their presence is much more difficult to detect.
• B) Because neutrons are 1840 times heavier than protons, they are difficult to separate, and therefore, to count.
• C) Neutrons do not deflect charged particles.
• D) The similarity of the magnetic and electrical properties of protons and neutrons made them experimentally indistinguishable.

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Definitions:

Emitted Responses

Refers to voluntary or involuntary reactions or behaviors produced by an organism in response to a specific stimulus or environment.

Operant Behavior

A behavioral concept that involves an organism's actions being influenced by the consequences that follow, as described in operant conditioning.

Reinforcement

In behaviorist psychology, it refers to any stimulus that strengthens or increases the probability of a specific response or behavior by delivering a reward or removing an unpleasant stimulus.

Variable-Ratio Schedule

In operant conditioning, a reinforcement schedule where responses are rewarded after an unpredictable number of responses, leading to high and steady response rates.