Infants Are Not Passive Observers; They Actively Process Incoming Stimuli

question 104

Multiple Choice

Infants are not passive observers; they actively process incoming stimuli.An infant who hears her father's voice will likely become more alert.The area of the brain directly responsible for this change in arousal level is located in the:

• A)limbic system.
• B)brain stem.
• C)auditory system.
• D)cortex.

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Definitions:

Operational Definitions

Specifications of the procedures or operations used to measure or manipulate a variable in research, making the variable empirically testable.

Double-blind Procedures

are experimental protocols where neither the participants nor the experimenters know who is receiving the treatment versus the control condition, to reduce bias.

Random Assignment

A method used in experiments to place participants into groups in a way that each participant has an equal chance of being assigned to any group, ensuring unbiased distribution.

Naturalistic Observation

A research method where subjects are observed in their natural environment without any manipulation by the observer.