As Experimental Control Increases

question 34

Multiple Choice

As experimental control increases:

• A) external validity decreases.
• B) external validity increases.
• C) the more relevant the study to real-world problems.
• D) we become less able to rule out alternative hypotheses.

Understand the factors affecting aging and differences in aging experiences.

Comprehend the impact of stress and lifestyle choices on mental and physical health in adulthood.

Recognize the role of intelligence, including fluid and crystallized intelligence, in aging and how they change over time.

Understand the effects of hormonal changes and their impact on aging and related health conditions.

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Definitions:

Pruning

The process through which the developing brain eliminates unnecessary or redundant synapses.

White Matter

Tissue in the brain and spinal cord composed of myelinated nerve fibers, responsible for transmitting information between different areas of the central nervous system.

Brain

The organ located in the head of an organism that coordinates its actions and sensory information by transmitting signals to and from different parts of its body.

Wernicke's Aphasia

A neurological disorder characterized by impaired comprehension of language and the production of nonsensical speech, resulting from damage to the posterior region of the temporal lobe.