By Tineke de Jonge, Ruut Veenhoven, Wim Kalmijn
This publication describes why traditional tools fall brief to unravel the comparison challenge and introduces 3 successive suggestions to beat those shortcomings. comparison of effects from diverse surveys utilizing diverse goods for a similar subject is vastly hampered via the diversities in reaction scales used. This reduces our accumulation of data and has challenged researchers within the box of survey study for lengthy to enhance applicable the way to remodel scores on assorted scales to achieve related effects and to right for results of adjustments in measurements and different influencing components. the 3 ideas defined during this quantity are utilized to facts on happiness and existence pride, convey greater comparison of the survey effects about the perceptions and reviews of individuals over the years and throughout countries and at an elevated chance for meta-analysis on those results.