All of the Following Are Threats to the Internal Validity

question 77

Multiple Choice

All of the following are threats to the internal validity of a study except

• A) failure to randomly assign participants.
• B) assigning participants based on gender.
• C) varying only the independent variable.
• D) randomly changing several aspects of the study in addition to the independent variable.

Recognize factors beyond television that contribute to children's adjustment, including parental and neighborhood influences.

Identify different media types and their implications for children's development.

Analyze stereotypes within children's television programming and their potential impact.

Comprehend the concept of family structures and their various forms.

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Definitions:

Positron Emission Tomography

A type of imaging test that uses a radioactive substance to look for disease in the body, especially in the brain.

Electrical Stimulation

The use of electrical impulses to induce a muscular contraction or stimulate nerves and tissues for therapeutic purposes.

Computerised Tomography

A diagnostic imaging procedure using a series of computer-generated x-rays to create detailed cross-sectional images of the body.

Central Nervous System

Comprised of the brain and spinal cord, this system acts as the principal control center for processing and organizing information throughout the body.