A Particular Research Study Compares an Experimental Group with a Control

question 213

Multiple Choice

A particular research study compares an experimental group with a control group. An analysis of the results reveals that "p < .05." Therefore,

• A) the difference between the experimental group and the control group is less than 5%.
• B) there is less than a 5% chance that the results are statistically significant.
• C) the chance of getting the observed difference by accident is less than 5%.
• D) fewer than 5% of psychologists would agree with the conclusions.

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Definitions:

Muscle Tone

The continuous and passive partial contraction of the muscles, or the muscle's resistance to passive stretch during resting state.

Mediating Reflexes

Reflex actions that are controlled by the nervous system, serving as an immediate response to a specific stimulus.

Nervous System

The network of nerve cells and fibers transmitting signals between different parts of the body, responsible for coordinating voluntary and involuntary actions.

Cerebral Cortex

The outer layer of the cerebrum, involved in high-level brain functions such as thought, memory, and consciousness.