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A research method that tests hypotheses and allows researchers to make conclusions about causality is called a(n) ____.​

a. experiment​
b. ​case study
c. ​descriptive method
d. ​correlational study

1 Answer

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Final answer:

The correct option is A). An experiment is a research method that tests hypotheses to establish causality, involving observation, hypothesis formulation, testing, and confirmation or falsification of the hypothesis.

Step-by-step explanation:

A research method that tests hypotheses and allows researchers to make conclusions about causality is called a(n) experiment. An experiment is a scientific approach where researchers investigate relationships to test hypotheses. In this context, conducting an experiment involves defined steps that include observation, formulation of a hypothesis, testing, and confirming or falsifying the hypothesis.

During the scientific method, a hypothesis is a proposed explanation for a phenomenon that can be tested through experimentation. If the data analysis from experiments supports the hypothesis, it may lead to further testing and refinement. If the hypothesis is rejected, a new hypothesis may be formulated. Over time, repeatedly supported hypotheses can contribute to scientific theory, which is a thoroughly tested and confirmed explanation for observations or phenomena.

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