“…Our sample had a coefficient alpha of .67, which was equal or lower than coefficient alphas taken solely from American student samples, including coefficient alphas in the .67 to .80 range identified by Friedrich (1996), coefficient alphas of .72, .75, .76, .83, and .86 identified across several American samples (Amsel et al, 2011;Bartels et al, 2009;Holmes, 2014;Holmes & Beins, 2009) and a cross-cultural sample (Roberts & Povee, 2014), higher than coefficient alphas of .58 and .44 of the Brazilian samples (Bartoszeck et al, 2005;Morales et al, 2005), and coefficient alphas of .64 of the Australian sample (Provost et al, 2011). Although it is generally agreed that the lower limit for Cronbach's alpha value is .70 (Nunnally, 1967), in the social sciences, it may decrease to .60 and still be acceptable, especially in exploratory studies and in research (Hair, Black, Babin, Anderson, & Tatham, 2006).…”