Scenario:Consider the questionnaire items below as you answer the following question:

1. Age ___________
2. Total years teaching: 1-5_______ 6-10 _______ 11-15_______ 16-20 ________ 21-25________ more than 25 _______
3. School_________________
4. Number of children in your average-sized class___________________
5. Do you agree that class size negatively affects instruction? SA A U D SD
6. Please list the ways in which class size effects your institution.

Question:According to guidelines in your text, which item contains an ambiguous term that needs to be defined/operationalized ?

item 1

item 4

item 3

item 2