Before embarking into the complex field of measurement in bio-psycho-social Sciences, it is fundamental to clarify whether total scores generated by scales and questionnaries may be considered ‘true’ scientific measures. Before doing so, it is worth to clarify what is meant by “scientific measurement".
Main topics:
- Measurement in the “hard science”
- Advantages of scientific measurement
- Confusion about the concept of measurement
- Limitations of Classical Test Theory (CTT)
- Research implication of CTT limits
