Which of the Following Is Implemented in an Experiment to Reduce

question 34

Multiple Choice

Which of the following is implemented in an experiment to reduce unknown systematic biases due to confounding variables that might otherwise exist between treatment groups?

• A)Randomization
• B)Blocks
• C)Repeated measures
• D)All of the above

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Definitions:

Flat Affect

A significant reduction in emotional expressiveness, including facial expressions, voice tone, or the lack of gestures, often associated with schizophrenia and some other psychiatric disorders.

Catatonia

A psychomotor disorder characterized by abnormal movement and behavior arising from a disturbed mental state.

Schizophrenia

A long-term mental disorder involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception, inappropriate actions and feelings, and a withdrawal from reality.

Expressionless Face

An expressionless face shows no emotion, movement, or indication of thoughts, making it difficult to gauge the person's feelings or reactions.