The transferability of rating scale techniques to an African population
The purpose of the study was to select the most appropriate scale for the measurement of Africans' satisfaction with their transport services. Four types of scale (verbal, numerical, visual and graphic) were selected. Two types of each of these scales were tested, making 8 scales in all. The sample consisted of 273 respondents, all of whom made a similar journey to work each day. Five aspects of the respondents' transport to work served as the validation criteria for the scales. An important criterion for selecting the most appropriate scale was suitability for use among illiterates.
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