Devon Is Running an Experiment in Which Children Are Observed

question 52

Multiple Choice

Devon is running an experiment in which children are observed interacting with simple toys, and their behavior is coded based on different categories. Devon has two experimenters observing and coding the behavior. Devon computes a correlation coefficient to see if the two experimenters produce similar scores. Which of the following describes how Devon is attempting to verify his observational method?

• A) content validity
• B) concurrent validity
• C) test-retest reliability
• D) inter-rater reliability

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Definitions:

Market Price

The current value at which an asset or service can be bought or sold, determined by supply and demand forces in the open market.

Break Even

The point at which total costs and total revenues are equal, resulting in no net loss or gain.

Short Run

A period in which at least one factor of production is fixed and cannot be fully adjusted.

AVC Curve

The average variable cost curve, which shows how the unit variable cost of production changes with the level of output.