A Test Constructor Is Interested in Determining the Reliability of a Certain

question 13

Short Answer

A test constructor is interested in determining the reliability of a certain item on a new test of aggressiveness, the ASAP (Aggressive Syndrome Assessment Profile). The items were scored 1 for showing aggressiveness and 0 for passivity. For each subject, the total score on the test is reported, high scores indicating higher levels of aggressiveness. Subj Item Score Total Score $$\begin{array}{l}\text { Subj }&\text { Item Score}&\text { Total Score }\\& \mathrm { X } & \mathrm { Y } \\1 . & 1 & 10 \\\text { 2. } & 1 & 12 \\\text { 3. } & 1 & 10 \\\text { 4. } & 1 & 11 \\5 . & 1 & 15 \\\text { 6. } & 0 & 4 \\\text { 7. } & 0 & 5 \\\text { 8. } & 0 & 6 \\\text { 9. } & 0 & 9 \\10 . & 0 & 7\end{array}$$ Find the point-biserial reliability value for the selected item.

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Definitions:

Common Site

A location or platform shared or widely used by a large number of individuals or entities for a particular purpose or activity.

Cancer

A disease characterized by the uncontrolled growth and spread of abnormal cells that can result from damage to DNA.

Labeled Structures

Specific components within a larger system (biological, chemical, architectural) that have been identified or marked for study or reference.

Stimulates Ovulation

Refers to the process or agents that trigger the release of one or more eggs from the ovary.