In Katia's Remedial Mathematics Study, She Collected Pretest Data from a Group

question 35

Multiple Choice

In Katia's remedial mathematics study, she collected pretest data from a group of participants. She divided the participants into three groups. One group received no treatment, one group received instruction by a teacher-delivered intervention, one group received peer tutoring on the same problems. After the intervention she tested their math skills. With which validity threat should Katia be most concerned?

• A) Maturation
• B) Testing
• C) Instrumentation
• D) Mortality

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Definitions:

Characteristics

Features or qualities that define or distinguish an individual, object, or phenomenon.

Life

The condition that distinguishes organisms from inorganic objects and dead organisms, being manifested by growth through metabolism, reproduction, and the power of adaptation to the environment through changes originating internally.

Collective Unconscious

A concept in Jungian psychology referring to the part of the unconscious mind which is derived from ancestral memory and experience and is shared among a species.

Personal Unconscious

Jung's term for the layer of the unconscious that is made up of forgotten or suppressed experiences unique to an individual.