A Researcher Is Recording the Length of Time an Infant

question 53

Multiple Choice

A researcher is recording the length of time an infant spends looking at one stimulus instead of another. Most likely the researcher is studying _____ by measuring _____.

• A)visual acuity; staring time
• B)depth perception; habituation
• C)focusing; preferences
• D)visual preferences; fixation time

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Definitions:

Sample Proportion

A statistic that estimates the fraction of the total population that exhibits a specific attribute, calculated from a sample.

Standard Error

A statistical measure that estimates the accuracy with which a sample distribution represents a population by using standard deviation.

Random Sample

A subset of a statistical population in which each member has an equal chance of being chosen.

Hazardous Waste Site

A designated area where toxic or dangerous waste is stored, treated, or disposed of, often requiring special environmental and health protection measures.