Which b. f. skinner invention allowed him to train subjects through operant conditioning? a. cumulative recorder b. operant chamber c. pigeon box d. cat puzzle box

A: Cumulative recorder

Explanation:

B. F. Skinner was a psychologist, author, behaviorist and inventor of Operant conditioning chamber and Cumulative recorder.  The purpose of cumulative recorder was to study the rate of operant conditioning. It is a process in which behavior of an organism is modified or an organism is conditioned to perform a specific behavior through giving punishment or reward.

For example: We teach a kid that he should not touch a hot stove because it will burn his hands, or we give him a box of candies to perform a specific task or behave in a certain way. Skinner used Cumulative recorder to find the effect of certain factors on behavior or response of an organism For example: the rate at which lever was pressed by a monkey to get bananas etc.

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name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

the glands which are associated with each description is given below: