A Controlled Experiment Is One That

question 3

Multiple Choice

A controlled experiment is one that

• A)proceeds slowly enough that a scientist can make careful records of the results.
• B)may include experimental groups and control groups tested in parallel.
• C)is repeated many times to make sure the results are accurate.
• D)keeps all environmental variables constant.
• E)is supervised by an experienced scientist.

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Definitions:

Primary Circular Reactions

Early infantile behaviors that are repetitive and centered around the body, forming the basis for the development of more complex skills.

Simple Reflexes

Basic, involuntary motor responses to specific stimuli, evident in human behavior from an early age.

Secondary Circular Reactions

A developmental stage in infants, usually between 4 to 8 months, characterized by the repetition of actions that produce an effect on the environment, signaling the beginning of intentional behavior.

Symbolic Functioning

A cognitive development process where individuals learn to use symbols, such as language or pictures, to represent objects, actions, or ideas.