Chirowodza and Colleagues' Study of the Effectiveness of HIV Prevention

question 35

Multiple Choice

Chirowodza and colleagues' study of the effectiveness of HIV prevention strategies in Zimbabwe;Ellis,Marsh,and Craven's study of peer support programs in Australia;and Janzen and colleagues' study of mental health consumer-run organizations in Ontario,Canada all illustrated:

• A)nonequivalent comparison group designs
• B)randomized field experiments
• C)case studies using qualitative and quantitative methods
• D)use of geographic information systems

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Definitions:

Standard Materials Cost

The pre-determined cost of materials that is expected to be incurred under normal conditions.

Price Variance

The difference between the actual cost of a good or service and its expected cost, often used in budgeting and financial analysis.

Materials Price Variance

The difference between the actual cost of direct materials and the standard cost, used in variance analysis.

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected amount, which can impact the cost of goods sold.