Right Before Her Geometry Exam,Julie Heard a Story About How

question 84

Multiple Choice

Right before her geometry exam,Julie heard a story about how women have trouble in geometry because it requires spatial manipulation.Even though she was prepared for the test,she did not do as well as she would have done had she not heard that story.Based on this,you know that Julie's performance was most likely impaired by

• A) having a low IQ.
• B) stereotype threat.
• C) poor reliability of the test.
• D) poor validity of the test.

---

Definitions:

Degrees of Freedom

The number of independent values or quantities which can vary in the calculation of a statistic, typically in the context of hypothesis testing.

F Distribution

A continuous probability distribution that arises frequently as the null distribution of a test statistic, especially in the analysis of variance (ANOVA).

Numerator

The top number in a fraction, representing the part of the whole or the dividend in division.

Chi-square Distribution

A statistical distribution that describes the distribution of the sum of the squares of a set of variables, often used in hypothesis testing.