self report

• checking internal validity in SR techniques 


  -concurrent validity

  -face validity
• concurrent validity 


  -comparing Ps results on new questionnaire/test to results on previously established test

  -result of +0.80 would suggest good concurrent validity
• face validity 


  -does the test LOOK like it's measuring what the researcher intended to measure?

  > are questions obviously related to topic?
• checking external validity in SR techniques 


  ensure there's representative sample & sampling technique