The Fundamental Threat to Internal Validity in the Nonequivalent Groups

question 48

True/False

The fundamental threat to internal validity in the nonequivalent groups design is selection.

---

Definitions:

Size Constancy

A perceptual phenomenon where the perceived size of an object remains constant despite changes in the size of its retinal image due to changes in distance.

Objects

In the context of object-oriented programming, an object refers to a data structure encapsulating data and methods for manipulating that data, conceptually analogous to real-world objects in terms of properties (attributes) and behaviors (methods).

Gestalt

A German word that roughly refers to the whole form, pattern, or configuration that a person perceives.

Continuity

The psychological principle that experiences or developments are gradual and cumulative rather than consisting of distinct and separate stages.