List Five Possible Threats to Internal Validity

question 40

Essay

List five possible threats to internal validity.How do these threats weaken a design?

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Definitions:

Motor Neurons

Nerve cells that initiate and control the movement of muscles by transmitting impulses from the brain or spinal cord to the muscles.

Maturation Process

The natural growth or progress through stages of development in physical, intellectual, or emotional capacities.

Brain Growth Spurt

A period of rapid neural development, typically occurring in early childhood and adolescence.

Prenatal Development

The process of growth and development within the womb, from conception to birth, divided into the germinal, embryonic, and fetal stages.