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AleksAgata [21]
3 years ago
13

A reduction in the number of common cold viruses and other upper respiratory infections appears to be connected to exercising at

least _____ days a week.
a. two
b. three
c. four
d. five
Health
2 answers:
Julli [10]3 years ago
8 0
A reduction in the number of common cold viruses and other upper respiratory infections appears to be connected to exercising at least three days a week - b.

Exercising three days a week has indeed in the past been the optimal recommendation for working out as it is the frequency when drastic benefits are being recorded. 
madreJ [45]3 years ago
4 0
<span>A reduction in the number of common cold viruses and other upper respiratory infections appears to be connected to exercising at least (B) three days a week. Common cold is harmless but not to the point of having sore throat and cough plus sneezing and congestion. Then, you need to take care of your health.</span>
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Answer:

In Pavlov's classic study on classical conditioning, the bell was the <u>neutral stimulus </u>before conditioning and the <u>conditioned stimulus</u> after conditioning had occurred (option C).

Explanation:

Classical conditioning, proposed by Ivan Pavlov, establishes that two stimuli -one unconditioned that produces a response and one neutral- when associated, convert the neutral stimulus into a conditioned one with a response.

Pavlov's famous dog experiment laid the foundations of classical conditioning:

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The bell, a neutral stimulus, and salivation have become a conditioned stimulus and response, respectively.

Regarding other options:

<em>     a. A conditioned stimulus does not lead to an unconditioned one. </em>

<em>     b. A neutral stimulus does not result in reinforcement. </em>

<em>     c. Pavlov's experiment did not demonstrate the conversion of a conditioned stimulus into a neutral stimulus.</em>

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