A Researcher Investigating 'Pygmalion in the Classroom' Measured Teachers' Perceptions $\quad$

question 18

Multiple Choice

A researcher investigating 'Pygmalion in the classroom' measured teachers' perceptions of male and female students' mathematical abilities. She collected teacher ratings of 97 male and female students. Based on the output, what can you say about the data? $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\text { Test of Homogeneity of Variance }$
$\begin{array}{l}\begin{array}{|ll|r|r|r|r|}\hline &&{\text { Levene }} & & & \\& &\text { Statistic } &{\text { df1 }} & {\text { df2 }} & {\text { Sig. }} \\\hline \text { Teachers perception of } & \text { Based on Mean } & 4.875 & 1 & 95 & .030 \\\text { mathematical ability } & \text { Based on Median } & 4.616 & 1 & 95 & .034 \\& \begin{array}{l}\text { Based on Median and } \\\text { with adjusted df }\end{array} & 4.616 & 1 & 92.069 & .034 \\& \text { Based on trimmed mean } & 4.975 & 1 & 95 & .028 \\\hline\end{array}\end{array}$

• A)The variances of ratings were significantly different for males and females.
• B)Homogeneity of variance can be assumed.
• C)Mean perceptions of male and female students were significantly different.
• D)Mean and median ratings were similar for males and females

---

Definitions:

Throughput

The rate at which a system or process produces goods, completes tasks, or achieves outcomes, often measured within a specific time frame.

Pull Time

is the timing or scheduling mechanism in production or supply chains that initiates the movement or production of goods in response to demand.

JIT Partnership

A collaborative arrangement between suppliers and manufacturers where materials are produced and delivered just in time for production, reducing inventory costs and enhancing efficiency.

Large Number

A term often used in mathematics and computing to describe a value that is significantly larger than most values considered in a given context.