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The research method that is used in most marriage and family studies is
Null Hypothesis
A statement in statistics that proposes there is no significant difference or effect, often tested against an alternative hypothesis.
Alternative Hypothesis
A statement that contradicts the null hypothesis, suggesting that there is a significant difference or effect in a population parameter.
Mean Age
The average age of individuals in a sample or population, calculated by summing all ages and dividing by the number of individuals.
Type II Error
The error made when failing to reject a false null hypothesis, also known as a false negative.
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