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:

Sociology

The study of social behavior, society, patterns of social relationships, social interaction, and culture that surrounds everyday life.

Social Era

A period characterized by significant changes in social behavior, norms, and cultural shifts, often brought about by technological advancements and globalization.

Anthony Giddens

A prominent British sociologist known for his theory of structuration, which explores the relationship between individual actions and societal structures.

Historical Possibilities

The various outcomes or events that could have occurred in the past based on different circumstances, emphasizing the contingent nature of history.