The Birth Order Effect on Intelligence Test Scores Is Likely

question 2

True/False

The birth order effect on intelligence test scores is likely due to genetic factors.

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Definitions:

Femur

The femur is the longest and strongest bone in the human body, located in the thigh.

Clavicle

A bone located in the upper part of the chest (thoracic area) that serves as a strut between the shoulder blade and the sternum or breastbone; commonly known as the collarbone.

Humerus

The long bone in the upper arm that runs from the shoulder to the elbow.

Radius

A bone in the forearm that is located on the lateral side (thumb side) of the forearm, extending from the elbow to the wrist.