A researcher wants to understand whether long-term romantic relationships reduce risk for heart disease. The researcher uses introductory psychology students as a sample because they are easy to recruit. Why is this a problem?

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The Answer of A researcher wants to understand whether long-term romantic relationships reduce risk for heart disease. The researcher uses introductory psychology students as a sample because they are easy to recruit. Why is this a problem?

A Researcher Wants to Understand Whether Long-Term Romantic Relationships Reduce