When creating this measure, two or more items are combined into a single numerical score. What is this called?

The effects a policy has on people and problems is called

A) policy outputs. B) policy implementation. C) policy issues. D) policy impacts. E) policy agenda.

What is the computed number for how well an item distinguishes between the "knowing"

and the "unknowing"? a) item analysis b) discrimination index c) difficulty index d) attitude index