The Idea That a Large Number of Sample Means or Proportions

question 13

Multiple Choice

The idea that a large number of sample means or proportions will approximate a normal distribution,regardless of the distribution of the population from which they were drawn,is known as:

• A)sample variance.
• B)population variance.
• C)central limit theorem.
• D)random error.
• E)none of the above

---

Definitions:

Internal Validity

Refers to the degree to which the results of a study can be attributed to the treatments or interventions being tested, rather than other factors.

Developmental Change

Transformations or transitions in the psychological, emotional, or physical state of a person or group over time.

External Validity

The extent to which the findings of a study can be generalized to other people, settings, times, measures, and characteristics.

Internal Validity

The extent to which a research study accurately reflects or assesses the specific concepts or variables it is intended to measure.