What Discovery Did Skeels and Dye Make When They Administered

question 25

Multiple Choice

What discovery did Skeels and Dye make when they administered intelligence tests to a sample of orphans cared for by trained professionals in a "good" orphanage and to a second sample of orphans raised by residents of an institution for mentally retarded women?

• A) The orphans raised by the mentally impaired scored an average of 25 points lower than those raised by trained professionals.
• B) The orphans raised by the mentally impaired scored an average of 58 points higher than those raised by trained professionals.
• C) There was no difference in the scores of the orphans raised by the mentally impaired compared to those raised by trained professionals.
• D) The orphans raised by the mentally impaired scored an average of 47 points lower than those raised by trained professionals.

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Definitions:

Affinity

The degree to which a substance tends to combine with another, often used in the context of biochemical reactions.

Hematocrit

The proportion of blood volume that is occupied by red blood cells, a key measure of blood health.

RBCs

Short for Red Blood Cells, they are cells in the blood that carry oxygen from the lungs to the body's tissues and carbon dioxide back to the lungs.

Hemoglobin

A red protein responsible for transporting oxygen in the blood of vertebrates.