In a Study Designed to Examine the Effects of an Intensive

question 2

Multiple Choice

In a study designed to examine the effects of an intensive reading program, Vaughn et. al 2009) screened 2nd grade students and separated good readers from poor readers. The poor readers were given the intervention treatment. At the end of 26 weeks of intervention significant improvement in the poor readers was noted. What type of experimental design was employed in this study?

• A) regression discontinuity
• B) nonequivalent comparison group
• C) interrupted time series
• D) median split design

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Definitions:

Behavioral Economists

Experts in a field of economics that integrates insights from psychology to understand how people make economic decisions.

Invisible Hand

A term coined by Adam Smith to describe the self-regulating nature of the marketplace, where individual self-interests unintentionally benefit society.

Fairness

The quality of making judgments that are free from discrimination, dishonesty, or injustice.

Ultimatum Game

A game in economic experiments where one player proposes how to divide a sum of money with another, who can accept or decline the offer, with both getting nothing if declined.