A criticism of the Guglielmino SDLRS is poor
reliability and an inability to replicate its factor
structure across different racial groups. Research
is required to confirm the factor structure of the
current scale when applied to different racial
groups. Furthermore, research is required to
provide evidence of the ability of this scale to
predict student performance. There is also a need
to determine whether a positive correlation exists
between SDL readiness scores and academic
performance, when students are subjected to SDL
as a teaching strategy.