When Your Experiment Is Internally Valid, Then

question 143

Multiple Choice

When your experiment is internally valid, then

• A) you can generalize your results beyond the particular sample used.
• B) you can draw cause-and-effect conclusions.
• C) the experiment was replicated with a different sample.
• D) there was a selection-history interaction.

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Definitions:

P-Value

A statistical measure that helps scientists determine the significance of their research results, indicating the probability of obtaining the observed data if the null hypothesis were true.

Null Hypothesis

A basic assumption positing no meaningful difference or impact, usually examined in comparison with a different hypothesis.

Alternative Hypothesis

In statistical analysis, the hypothesis that proposes there is a significant difference between specified populations, distinct from the null hypothesis.

Unemployment Rate

The share of people in the labor force who are without jobs and are actively searching for employment.