Schepers, Johann M., Rand Afrikaans University, South Africa

• Vol 29, No 3 (2003) - Original Research
  The effect of telfast® 180 on driver behaviour, decision-making and reaction time
  Abstract  PDF
• Vol 30, No 4 (2004) - Original Research
  Overcoming the effects of differential skewness of test items in scale construction
  Abstract  PDF
• Vol 30, No 4 (2004) - Original Research
  The power of multiple battery factor analysis in coping with the effects of differential skewness of variables
  Abstract  PDF