A Distractor That Is Chosen Significantly Fewer Times Than Would

question 11

Multiple Choice

A distractor that is chosen significantly fewer times than would be expected by chance

• A) lowers the difficulty of the item
• B) increases the difficulty of the item
• C) does not affect item difficulty
• D) reflects an item not in the content domain

---

Definitions:

Errors

Differences between observed values and the values predicted by a model.

Standardized Residuals

Residuals that have been adjusted to have a mean of zero and a standard deviation of one, useful for comparing residuals across different datasets.

Marc Anthony

A popular American singer and actor known for his contributions to salsa and Latin pop music.

Residuals

The variances between real data points and those estimated by a theoretical model.