Smith studies a group of 1,000 people who have schizophrenia and who also have identical twins. He finds that 47% of the identical twins also develop this disease. The type of statistical information Dr. Smith's study reveals is called:

Question

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The type of statistical information revealed in Dr. Smith's study is concordance, which refers to the degree of similarity or agreement between twins in terms of developing a particular trait or disorder. In this case, the concordance rate of 47% suggests a strong genetic component in the development of schizophrenia, since identical twins share 100% of their genetic material.

Smith Studies a Group of 1,000 People Who Have Schizophrenia