Max's study compared the differences in teachers' attitudes about inclusion before and after a Saturday in-service training. He assessed their post-intervention attitudes with a self-report questionnaire. With which of the following threats to validity should Max be particularly concerned?
a. Instrumentation
b. Mortality
c. Selection
d. History
d
You might also like to view...
Which function of the corporation of the future cannot be "outsourced", according top business analyst Peter Drucker?
a) Research b) Management c) Accounting d) Production
Which of the following is not a way to influence a community to exert greater fiscal effort for education?
a. Gaining the public’s trust for education b. Educating the public about how education can save tax dollars in the long run c. Demanding that school boards seek increased funding at the expense of other municipal agencies d. All of the above are good ways
The following is an example of a criterion-referenced assessment:
a. Bayley Scales of Infant Development 2nd Edition b. Battelle Developmental Inventory-2 c. Peabody Motor Scales-2 d. Brigance Inventory of Early Development-II
Researchers who use "blinding" are especially concerned about influences stemming from:
A) expectation B) Hawthorne C) ordering D) non-randomness