Haifa studies 1 (n = 40; D.P., unpublished data, 2010)
and 6 (n = 109)18 had assessed the role of hand
538 The Journal of Pain Parametric Versus Nonparametric Analysis of CPT
dominance in pain sensitivity; study 2 (n = 48; D.P.,
unpublished data, 2009) had studied the association
between experimental pain outcomes and sleeprelated
measures; study 3 (n = 62; D.P., unpublished
data, 2012) had assessed the effects of virtual reality on
experimental pain outcomes; study 4 (n = 91)