Which of the following employed case-study methodology solely for research, as opposed to treatment?

What is the Hawthorne effect. Why is it actually a poor term to describe how people react to expectations of an experimenter?

What will be an ideal response?

Which statement regarding the mix of state revenues is FALSE?

a. The 50 states combined had over $1.6 trillion annual revenue in 2011. b. Over 70 percent of all state­generated (or "own source") revenues come from taxation. c. Most revenue from direct charges for public services is in the form of tuition for higher education. d. With few exceptions, states generate nearly all of their tax revenues from the general sales tax.