Positive or Negative Correlation

 

Identify: Independent Variable (IV), Dependent Variable (DV), Experimental Group, and Control Group

 

Which Are Good Research Questions? 

 

Find the Independent and Dependent Variables

 

Sample Histogram of Mood Disturbance

 

Annual Income Graph

 

Gains in Total IQ in Six Grades (Graph)

 

Interpersonal Sensitivity Scale (Graph)

 

Identify the Confounding Variable

 

Self-Esteem

Nationality

Parental Style

Independent vs. Dependent Variables

Confounding Variables

Measuring Variables; Scales

Nominal

Ordinal

Interval

Ratio

Examples

 

Find the Independent and Dependent Variables

 

 

Descriptive Studies

-Case Studies

-Observational Studies

-Tests

-Surveys

 

Correlation Studies

-Positive and Negative Correlations

 

Experiments

-Independent and Dependent Variables

-Experimental Control and Conditions

 

Tests of Statistical Significance

 

 

Find the Experimental and Control Groups