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In fact, manufacturers may use EPDs in order to inform end-users. However, until now, this has happened on a voluntarily basis. In comparison to end-users, through MSDSs and EPDs, professional users of paint products get substantially more information about health and environmental effects such...
The ratings of these scales could be unipolar (1 to 7) or bi-polar (−3 to + 3). The ones chosen over the years have varied and as Ajzen (1991) puts it, "there is nothing in the theory, however, to inform us whether responses to these scales should be scored in a unipolar ...