A Worthwhile, Conservative Strategy for Minimizing the Possibility of Invalid

question 16

Multiple Choice

A worthwhile, conservative strategy for minimizing the possibility of invalid causal conclusions due to differential attrition is ______.

• A) ensuring at the outset of the experiment that subject assignment is truly random
• B) recruiting only subjects with stable residential histories and ongoing institutional ties
• C) combining matching with randomization
• D) basing the outcome analysis on comparing all subjects initially assigned to each condition

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Definitions:

Secondary Circular Reactions

A stage in Piaget’s theory of cognitive development where infants repeat actions that affect their environment, leading to learning about the world.

Reflexes

Automatic, involuntary responses of the body to certain stimuli, without conscious thought.

Thoughts

Mental processes or ideas that arise in the human mind, including opinions, beliefs, and cognitions.

Voluntary Actions

Actions that are under conscious control, such as walking, speaking, or moving one's hands deliberately.