The previous two chapters discussed situations where two or more samples were compared in terms of a variable measured at the interval/ratio level. However, in social science we often do not work with interval/ratio data but ordinal-level data instead. Sometimes this ordinal-level data looks like interval/ratio, especially with attitude scales that have a large number of points. For example, we could construct an ‘index of satisfaction’, whereby we ask individuals to rate themselves on a scale of I-to-lO , with 1 indicating ‘Not at all satisfied’ and 10 indicating ‘Extremely satisfied’:
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© George Argyrous 1997