# Measurement

## Video lectures

- (Broad format) data matrix
- A data matrix in SPSS
- Changing variables in SPSS using recode
- checking a measurement instrument
- Classical test theory and reliability
- Concepts and facets
- Conceptualizing ordinal variables
- Cronbach's alpha
- Cross tabs (making a cross tab)
- dealing with dichotomous outcomes
- Frequency tables
- introduction SPSS
- Measurement level of Variables
- Measurement reliability
- Measurement validity
- Measurement Validity and Reliability
- Missing values
- Operationalization and Measurement
- Recoding and creating a variable
- Test re-test reliability
- The validity of causal research
- Validity and reliability threats in interviews
- Variables as constructions