Dr Jones Has Presented an Infant with a Succession of Black

question 92

Multiple Choice

Dr. Jones has presented an infant with a succession of black and white paddles with increasingly narrow stripes and increasingly narrow gaps between them. He wants to determine when the infant can no longer distinguish between the striped paddles and a gray one. Dr. Jones is assessing the infant's

• A) contrast sensitivity.
• B) visual acuity.
• C) visual scanning.
• D) habituation.

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Definitions:

Sample Size

The number of observations or dataset elements selected from a population used in statistical analysis, crucial for determining the reliability of the study findings.

Two-Tail Test

A statistical hypothesis test in which the critical area of a distribution is two-sided and tests whether a sample is either greater than or less than a certain range of values.

Sample Proportions

The ratio of members within a sample that satisfy a given characteristic, often used to estimate the proportion of the characteristic in the entire population.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used in constructing confidence intervals around a sample statistic to estimate the population parameter.