Mallett, Kawabata,
Newcombe, Otero-
Forero, a
nd Jackso
n (2007) questio
ned the validity of some of the items from the SMS, the co
nstruct validity of the three types of i
ntri
nsic motivatio
n measured by the SMS, a
nd they proposed a
n i
ntegrated regulatio
n subscale to measure the most self-determi
ned form of extri
nsic motivatio
n proposed by SDT. I
n this article, we focus o
n the followi
ng two questio
ns: “Does the SMS
need to be revised?”, a
nd “Is the Revised 6-factor SMS a better scale?”.
Conclusion
Our review leads us to the following main conclusions: (a) the SMS has generally demonstrated acceptable validity and reliability in many previous studies, supporting its use; (b) the proposed revised version may also be problematic due to item selection, factor structure, and validity issues as well as problems with the integration scale.