Dr LaGuardia Is Curious as to Whether Children in a Daycare

question 16

Multiple Choice

Dr. LaGuardia is curious as to whether children in a daycare center will share more after watching an educational video on sharing. Immediately before and after the video, he has several undergraduate research assistants code the sharing behavior of a group of 33 four-year-olds. Which of the following would you recommend to him to decrease the threat of instrumentation?

• A)Asking the same research assistants to code the same children at pretest and posttest
• B)Establishing different coding manuals for pretest and posttest
• C)Using clear coding manuals
• D)Using only one research assistant to code all the videos

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Definitions:

Optimal Level

The most efficient, beneficial, or favorable point in a process or activity, often associated with achieving the best outcome or maximum productivity.

Public Good

A good that is non-excludable and non-rivalrous, where one person's enjoyment of the good does not diminish the ability of others to enjoy it, typically provided by the government.

Market Demand Curve

A graphical representation showing the quantity of a good that all consumers in a market are willing to purchase at various prices.

Public Good

A product or service that is made available to all members of a society by the government or a private entity, characterized by non-excludability and non-rivalry in consumption.