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# Correlation & Casual-Comparative Research

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## Jamica Bolton

on 26 June 2014

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#### Transcript of Correlation & Casual-Comparative Research

This research works to explain if there is a relationship between the variables and if so a prediction is made as to the relationship between the variables.
It takes what???
Is It or Not...
The Make-Up
Causal-Comparative Research
Variables can be scored
30 or less sample size
Allows for description as to the relationship and degree of variables
Does not establish a causal relationship
(Gay et al, 2012).
This method of research attempts to determine the cause or reason for existing differences in the behavior or status of groups or individuals.
It describes conditions that already exist as it attempts to determine reasons or causes for the condition.
Problem selection
Sample determination
Identification of instrument
Data collection
Analysis and interpretation
(Gay et al, 2012).
\$1.25
Wednesday, June 25, 2014
Vol XCIII, No. 311
Definition
Correlation Research
What is it...
The collection of data used to determine whether and to what degree a relationship exists between two or more quantifiable variables.

This method of research is used to describe an existing condition and uses relationships to make predictions. (Gay et al, 2012).

This research attempts to determine the cause of differences amongst groups.
The Researcher
Definition
What Does It Take?
Jamica Bolton

Established groups are different
Researcher looks to identify the major factor that led to difference
(Gay et al, 2012).
Research questions
Identify groups that differ
Determine group equality
Control method
Analysis and interpret
(Gay et al, 2012).
Similarities & Differences
Both
Explore relationships between variables
Can enhance further experimental studies
Looks for causation
Correlation
Variables have score
There are 2 or more quantitative variables
Uses scatter plots to analyze data
Causal-Comparative
There are 2 or more groups
At least 1 categorical variable
Compares averages
Reference
Gay, L. R., Mills, G. E. & Airasian, P. (2012). Educational research: Competencies for analysis and applications (10th ed.). Boston: Pearson.
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