Measurement and scaling Fretagsakademin, Henriksgatan 7 FIN-20500 bo

Measurement and scaling Fretagsakademin, Henriksgatan 7 FIN-20500 bo

Measurement and scaling Fretagsakademin, Henriksgatan 7 FIN-20500 bo Measurement and scaling Primary scales (p. Measurement: assigning numbers or other symbols to characteristics of objects according to certain prespecified rules Scaling: generating a continuum upon which measured objects are located 237) Nominal scale numbers assigned

to football players social security numbers brand numbers, story types, sex classifications percentages mode Chi-square, binominal tests Fretagsakademin, Henriksgatan 7 FIN-20500 bo Measurement and scales Ordinal scale rank order or winner quality ranking preference rankings, market position, social class percentile, median rank-order,

correlation, Friedman ANOVA Interval scale performance rating on a 0-10 scale; 8.2; 9.2; 9.6; temperature attitudes, opinions range, mean, std product-moment, correlations, t-tests, ANOVA, regression, factor analysis Fretagsakademin, Henriksgatan 7 FIN-20500 bo Measurement and scales Ratio scale time to finish, in seconds. Zero point is fixed

length, weight Age, income, costs, sales, market share Coefficient of variation Fretagsakademin, Henriksgatan 7 FIN-20500 bo Scaling techniques Comparative scales direct comparison of stimulus objects do you prefer Coke or Pepsi ordinal or rank order properties no-metric scaling paired comparison, rank order, constant sum scales, Q-sort

Non-comparative scales each stimulus object is scaled independently of others interval or ratio scales continuous ratings or itemized rating scales Likert, semantic Most widely used scaling technique used in marketing research Fretagsakademin, Henriksgatan 7 FIN-20500 bo Non-comparative scaling techniques Continuous Rating Scales on a scale between 0 (very low) and

100 (very high) indicate what is the probability that you will buy a car next year Itemized Rating Scales a measurement scale having numbers and/or brief descriptions associated with each category. The categories are ordered in terms of scale position Fretagsakademin, Henriksgatan 7 FIN-20500 bo Itemized Rating Scales Likert scale 5 point scale from 1-5 strongly disagree to strongly agree can be 7 point scale Semantic Differential a 7-point rating scale

with end points associated with bipolar labels that have semantic meaning Cold--------Warm Powerful-------Weak Semantic differentials are popular in marketing comparing brand, product, and company images for developing advertising and promotion strategies, new product development studies Stapel scale

measure attitudes, even-number range without zero from -5 to +5 Fretagsakademin, Henriksgatan 7 FIN-20500 bo Non-comparative itemized rating scale decisions The number of scale categories to use balanced versus unbalanced scales Odd or even number categories forced versus non-forced choices the nature and degree of the verbal description the physical form of the scale Fretagsakademin, Henriksgatan 7 FIN-20500 bo

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