PSY 2120 Lecture Notes - Lecture 5: Random Assignment

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3 Jul 2018

School

Department

Course

Professor

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Wednesday, November 1, 2017

Research Methods

Quasi-experimental design:!

•Example: Schoo apparel and game wins/losses study!

•IV: whether the school sports team won or lost!

•DV: % of students wearing school apparel the next day!

What is a quasi experiment?!

•Used when true experimentation (e.g., random assignment) is diﬃcult or impossible!

• Types of quasi-experimental designs!

•Person x treatment designs!

• Field experiments!

•Field x treatment designs!

•Pretest-posttest designs (next Monday)!

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