Why Do Information-Processing Researchers Sometimes Examine Infants' Heart Rate as an Index

question 1

Multiple Choice

Why do information-processing researchers sometimes examine infants' heart rate as an index of attention rather than (or in addition to) infants' gaze?

• A) The methods used to quantify infants' gaze are unreliable.
• B) Infants are easily distractible and shift their gaze from one object to another.
• C) The methods used to quantify infants' gaze are subjective.
• D) Looking at something alone does not necessarily mean that the infant is processing information about the stimulus.
• E) Heart rate is more easily quantifiable than gaze.

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