In an Observational Study of Children in a Day Care

question 20

Multiple Choice

In an observational study of children in a day care center, you alternate one minute of observation with one minute of recording behavior. This is an example of ____ sampling.

• A) time
• B) individual
• C) event
• D) alternating-interval

---

Definitions:

Bliss Point

The optimal quantity of consumption where any further increase or decrease would lead to a lower level of satisfaction for the consumer.

Indifference Curves

Graphical representations in microeconomics to illustrate different combinations of goods between which a consumer is indifferent.

Utility Function

A mathematical representation that ranks preferences or satisfaction levels consumers derive from different bundles of goods.

Perfect Substitutes

Products or goods that can replace each other perfectly with no loss of utility to the consumer.