A Multilevel Classification System Based on Common Properties Among Items

question 102

Multiple Choice

A multilevel classification system based on common properties among items is called

• A) a script.
• B) a schema.
• C) a conceptual hierarchy.
• D) a mnemonic device.

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Definitions:

Blocking

A method used in experimental design to minimize the effects of nuisance variables by grouping units with similar characteristics.

Random Assignment

An experimental technique for assigning individuals to different groups in a study using randomization, ensuring that each participant has an equal chance of being assigned to any group.

Placebo

A safe medication or treatment recommended primarily for its mental comfort to the patient rather than its physical health benefits.

Confounding Variable

An outside influence that changes the effect of a dependent and independent variable, potentially leading to a false association.