One of the Pairs of Terms Below Consists of Two

question 11

Multiple Choice

One of the pairs of terms below consists of two very similar threats to validity.Which pair?

• A)history and maturation
• B)history and regression toward the mean
• C)experimenter bias and experimental mortality
• D)selection bias and testing effects

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Definitions:

Ascending Tracts

Nerve pathways that go upwards in the spinal cord and carry sensory information from the body to the brain.

Descending Tracts

Pathways in the spinal cord that transmit motor commands from the brain to the body, controlling voluntary movements.

Spinal Cord

The long, thin, tubular structure made from nervous tissue that extends from the brainstem down the vertebral column, conducting nerve impulses between the brain and the rest of the body.

Patellar Reflex

A reflex action that causes the lower leg to kick forward when the patellar tendon just below the kneecap is tapped; a measure of the function of the nervous system.