WeBWork Quality Assurance and Improvement 2

Question 1

In WeBWorK quality assurance, which metric best measures whether a problem set's difficulty is appropriately calibrated?

Accepted Answer

Average score across all students

Answer

Percentage of students who attempt the problem

Answer

Standard deviation of scores across students

Answer

Time to first correct submission

Question 2

When a WeBWorK problem returns an error for a specific student input but not others, what is the most likely cause?

Accepted Answer

Unhandled edge case in the problem code

Answer

Server overload

Answer

Browser incompatibility

Answer

Incorrect student login

Question 3

Which WeBWorK feature allows instructors to test a problem with randomized seeds before publishing it to students?

Accepted Answer

Problem Editor preview

Answer

Library Browser search

Answer

Hardcopy generator

Answer

Achievement editor

Question 4

An instructor notices students consistently answer a true/false WeBWorK problem correctly on the first try at a 95% rate. What QA concern does this raise?

Accepted Answer

The problem may be too easy or non-discriminating

Answer

The problem is too difficult

Answer

Answer checking is broken

Answer

The due date is too far in the future

Question 5

What is the purpose of the 'showMeAnother' feature in WeBWorK from a QA perspective?

Accepted Answer

To regenerate a problem with a new random seed for practice

Answer

To display the correct answer immediately

Answer

To email the instructor a copy of the problem

Answer

To extend the due date automatically

Question 6

Which approach is most effective for QA-testing WeBWorK answer checkers that evaluate mathematical expressions?

Accepted Answer

Testing algebraically equivalent forms of the correct answer

Answer

Testing only the canonical correct answer

Answer

Checking that any numeric input is accepted

Answer

Verifying only wrong answers are rejected

Question 7

In WeBWorK, a problem set's 'reduced scoring period' is a QA-relevant feature because it:

Accepted Answer

Encourages early completion and discourages last-minute mass submissions that stress servers

Answer

Prevents students from submitting after the due date entirely

Answer

Randomly selects which students receive partial credit

Answer

Automatically emails warnings to low-performing students