A Study Has a Power Level of 0

question 24

Multiple Choice

A study has a power level of 0.75. What does that mean?

• A)Study interventions will be statistically significant 75% of the time.
• B)The study has a 75% chance of detecting differences if they exist.
• C)The study's sample has a 25% attrition rate, at worst.
• D)There is a 25% chance of detecting a Type I error.
• E)There is a 25% chance that the study will fail to reveal differences that actually exist.

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Definitions:

Strokes

A medical condition where poor blood flow to the brain results in cell death, leading to various degrees of impairment or disability.

Psychoanalytic Perspective

A theory developed by Freud emphasizing unconscious processes and conflicts as the primary drivers of human behavior and psychological disorders.

Irrational Fear

An exaggerated or unfounded fear towards objects, activities, or situations that poses little to no actual danger.

Repressed Childhood

A psychological condition wherein memories of early childhood, often traumatic, are unconsciously blocked from conscious recollection.