Subject Selection Is a Major Threat to

question 67

Multiple Choice

Subject selection is a major threat to

• A) internal validity
• B) external validity

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Definitions:

Proximodistal

A pattern of growth and development where development proceeds from the center of the body outward towards the extremities.

Infant's Head

The upper part of a baby's body that contains the brain, eyes, ears, nose, and mouth, crucial for early sensory and cognitive development.

Neurogenesis

The process of generating new neurons in the brain, contributing to brain plasticity and learning.

Synaptogenesis

The process of the formation of synapses between neurons in the nervous system, crucial for learning, memory, and the overall development of the brain.