If a researcher collects data by using the same experimental setup as in another study, but using different research subjects, the process is considered: a. an uncontrolled experiment. b. intuitive reasoning. c. extrapolation. d. replication. e. exploration.

replication

Explanation:

Replication is the term given to experimental process which uses the same methodology which was used in one study to deduce result in other independent study. This is done in cases in which cause and effect nature are similar in nature.

For example: In one study it was observed that use of simulation eases understanding concept of physics. Then another study can be researched if simulation can aid understanding concepts of other subject or not.

In the given problem same experimental setup is used to study different research subject hence replication is the correct answer.

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it would be d). more resources must be obtained to attain that combination of goods and services