A Group of Researchers Conducts a Study to Determine If

question 14

Multiple Choice

A group of researchers conducts a study to determine if children's performance is affected by the presence of other children. First, the children are taken to a room with no other children and timed while they complete a puzzle. Later, the same children are taken to a room with four other children and timed while they complete a similar puzzle. In this study, the length of time it takes to complete the puzzle would be

• A) the independent variable.
• B) an extraneous variable.
• C) a control variable.
• D) the dependent variable.

Distinguish between compound sentences and how they are formed.

Comprehend complex sentences and identify dependent and independent clauses.

Analyze compound-complex sentences through identification of their structure.

Apply knowledge of sentence types to improve writing clarity and coherence.

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Definitions:

Cingulate Cortex

A part of the brain situated in the medial aspect of the cerebral cortex, involved in emotional regulation, pain processing, and cognitive functions.

Adrenocorticotropic Hormone

A hormone produced in the anterior pituitary gland that stimulates the production of cortisol from the adrenal gland.

Nonregulatory Behavior

Behavior unnecessary to an animal’s basic survival needs.