Because Jesse's Teacher Believes That He Is Intelligent, She Challenges

question 93

Multiple Choice

Because Jesse's teacher believes that he is intelligent, she challenges him with extra assignments and generally encourages his curiosity. At the end of the school year, Jesse performs better on the school's achievement test than any other student. Jesse's enhanced performance is likely due to the

• A) recency effect.
• B) expectancy effect.
• C) self-serving bias.
• D) judgment bias.

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Definitions:

50th Percentile

Also known as the median, it is the value below which 50% of the observations in a group of data fall.

N - 1

A formula used to calculate the sample variance or sample standard deviation, representing the sample size minus one.

Variance

A measure of the dispersion of a set of data points around their mean value, indicating how spread out the data are.

Measure of Variability

Statistical indices that describe the spread or dispersion within a set of numerical data, including range, variance, and standard deviation.