There are a number of threats to experiments. Among these is the threat to internal validity. Discuss how to control for the problems that are faced such as history or maturation. Move to the threats to external validity. How would you control for selection bias and reactivity threats.
week 3 reply
Responses 1 5 100 words reply each Class 535 Discussion #1 reply to Ron The main reason why the time value of money is used in public sector budgeting and financial decision-making is recognition that money changes value over time. As Chen, Weikart, and Williams (2015), state, “a dollar today