which, when added to the coefficients of determination R2 for the regression analysis (equal to 0.229), indicates that 22.9% of the variation in the measure of green purchasing behaviour is explained by the perceived seriousness of environmental problem factor and provides empirical support for the first hypothesis (H1). ‘Green purchasing behaviour’ is positively related to the ‘perceived seriousness of environmental problems’.
variation in the measure
is explained by
provides empirical support