What Evidence in the Graphs Rules Out History or Maturation

question 58

Multiple Choice

What evidence in the graphs rules out history or maturation effects as causing the change in time on task?

• A) The treatment leads to change for each child regardless when the session was started
• B) All of the baselines are of the same length
• C) All the participants were at the same mean level of attention during baseline
• D) All of the participants started the treatment during the same session

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Definitions:

ARRA

The American Recovery and Reinvestment Act of 2009, a stimulus package aimed at helping the United States recover from the Great Recession.

IGM Poll

A survey conducted by the Initiative on Global Markets (IGM) that gathers opinions from economists on various economic policy issues.

Crowding Out Effects

Refers to a situation where increased government spending leads to a reduction in private sector investment due to rising interest rates.

ARRA

The American Recovery and Reinvestment Act of 2009, a legislative package aimed at stimulating the U.S. economy during the financial crisis through investment in infrastructure, education, health, and renewable energy.