Murray Is Studying the Effects of Heredity and Environment on IQ

question 86

Multiple Choice

Murray is studying the effects of heredity and environment on IQ test scores.He thinks that heredity is the most important factor in determining IQ.Which finding would support his argument most strongly?

• A) Identical twins reared together tend to have similar IQ scores.
• B) Identical twins reared apart tend to have similar IQ scores.
• C) Siblings reared together tend to have similar IQ scores.
• D) Unrelated children reared together tend to have similar IQ scores.

---

Definitions:

Independent

In statistics, refers to variables or events that are not influenced or caused by other variables within the scope of a study.

Dependent

A variable in an experiment or study that is expected to change in response to changes in another variable called the independent variable.

Food Poisoning

An illness caused by consuming contaminated food, which is typically infectious or toxic in nature.

Random Phenomenon

An event or process in which all the outcomes occur in unpredictable proportions.