Dr. Smith learned that one sorority on campus had purchased several Macintosh co

Question

Dr. Smith learned that one sorority on campus had purchased several Macintosh computers and another sorority had purchased several Windows-based computers. Dr. Smith was interested in whether the type of computer affects the quality of students’ papers, so he went to each of the sorority houses to collect samples of papers from the members. Two graduate students in the English department then rated the quality of the papers. Dr. Smith found that the quality of the papers was higher in one sorority than in the other. What are the independent and dependent variables in this study? Identify the type of design that Dr. Smith used. What variables are confounded with the independent variable? Design a true experiment that would address Dr. Smith’s original question.

Explanation / Answer

Independent Variable: Type of Computer

Dependent Variable: Quality of Paper

Type of Design used is the between group design

Macintosh computers and Windows based computer were confounded with the independent variable.

TRUE EXPERIMENT

AIM: To compare Macintosh computer and Windows based computer based on the quality of paper they produced.

METHODOLOGY

Independent Variable:

1. Macintosh computer

2. Windows based computer

Dependent Variable: Quality of Paper

Sample: Collected samples of papers from the members of sorority houses who had purchased Macintosh computers and those who purchased Windows based computers.

Hypothesis: Type of Computer will effect the quality of paper.

Result: Quality of paper was higher in one sorority than in the other.

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