What Should Be Done If Two Items in a Scale

question 19

Multiple Choice

What should be done if two items in a scale correlate nearly perfectly with one another

• A)Keep them both because this shows they are unidimensional.
• B)Drop one of them from the scale because they are redundant.
• C)Combine the two questions into one so that no information is lost.
• D)Drop them both because this shows they have insufficient range and variability.

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Definitions:

Deep Sleep

A stage of sleep characterized by slow brain waves, known as delta waves, during which the body repairs and regrows tissues, builds bone and muscle, and strengthens the immune system.

Preoperational Stage

The second stage in Piaget’s scheme, characterized by inflexible and irreversible mental manipulation of symbols.

Cognitive Development

A theory and process that explains how human intelligence grows and changes over time, focusing on how children acquire, process, and utilize information.

Abstract Reasoning

The ability to analyze information, detect patterns and relationships, and solve problems on a complex, abstract level.