Even Though the One-Group Pretest-Posttest Design Is Inadequate, It Has

question 42

Multiple Choice

Even though the one-group pretest-posttest design is inadequate, it has one methodological advantage over the one-group posttest-only design, and that is

• A) the use of randomization.
• B) external validity.
• C) pretest scores can be compared to posttest scores.
• D) statistical tests are available to use with that design.

---

Definitions:

Ocular Nerves

The nerves associated with the eye that are responsible for transmitting visual information from the retina to the brain.

Osteoporosis

A medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D.

Brittleness

The propensity of a substance to crack or fracture readily under pressure, without substantial bending or distortion.

Presbycusis

Age-related hearing loss that gradually occurs in most individuals as they grow older.