The Idea That, in a Research Study, Any Change from What

question 35

Multiple Choice

The idea that, in a research study, any change from what has been observed in the past will be entirely due to random error is a basic assumption of the:

• A) null hypothesis.
• B) confidence interval.
• C) critical value.
• D) significance level.

---

Definitions:

Immune Systems

The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders (pathogens).

Reaction Time

The interval of time between the presentation of a stimulus and the initiation of the muscular response to that stimulus.

Stimulus Response

A concept in psychology that describes how an individual reacts to a stimulus; it's the basic unit of learning and behavior.

Unconditioned Response

A natural, automatic reaction to a stimulus that occurs without any prior learning or conditioning.