Introduce el texto aquí

Introduce el texto aquí

1. PURPOSES

   • Possible to predict a score on one variable
   • Predictor variable
   • Criterion variable
   • Scatterplots and regression lines
     • Predict a score on a criterion variable
   • Standard error of estimate
   • Predict likely outcomes

2. COMPLEX RELATIONAL TECHNIQUES

   • Multiple regression
   • Coefficient of multiple correlation
   • Value of a prediction
   • Path analysis
   • Factor analysis

3. BASIC STEPS

   • 5- Collecting and analyzing data
   • 4- Determining procedures
   • 3- Selecting or developing instruments
   • 2- Choosing a sample
   • 6- Interpreting results
   • 1- Selecting a problem

4. EVALUATING THREATS TO INTERNAL VALIDITY

   • Threats to the internal validity
     • Data collection
     • Morality
     • Sucject characteristics
     • Instrument decay
     • Testing
     • Location
   • Results of correlational studies
     • May suggest
     • Cannot establish causation