Which of the Following Methods Can Reduce Statistical Variance

question 59

Multiple Choice

Which of the following methods can reduce statistical variance?

• A)random assignment
• B)sound methodology
• C)A and B
• D)none of the above

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Definitions:

Cognitive

Relating to, being, or involving conscious intellectual activity such as thinking, reasoning, or remembering.

Insomnia

A sleep disorder characterized by difficulty falling and/or staying asleep.

Cognitive-Behavioural Therapy

A form of psychotherapy that treats problems and boosts happiness by modifying dysfunctional emotions, behaviors, and thoughts.

Electroconvulsive Shock

A medical treatment most commonly used for severe depression, involving electric currents passed through the brain to induce seizures.