calculation of the Osterlind index after gathering the expert opinions about the adequacy of
the items to measure a particular dimension of the tool. The aim of this work is to compare
the results obtained when experts score the degree of suitability item-dimension on the
traditional 3-point rating scales with the results obtained using, alternatively, 5-point ones.
105 participants valued, on 5-point rating scales, the fitness item-dimension of 31 items to 7 …