Scope...................................................................................................................................................... 12 Normative references ........................................................................................................................... 13 Terms and definitions ........................................................................................................................... 14 General considerations ........................................................................................................................ 35 Response scales ................................................................................................................................... 35.1 General ................................................................................................................................................... 35.2 Numerical and verbal response scales............................................................................................... 35.3 Dynamic response scales .................................................................................................................... 45.4 Pictorial response scales ..................................................................................................................... 46 Choice of response scale..................................................................................................................... 56.1 General ................................................................................................................................................... 56.2 Choice of unipolar or bipolar response scale.................................................................................... 56.3 Choice of continuous or discrete response scale.............................................................................5 6.4 Equality of the response scale intervals ............................................................................................ 66.5 Quality of the measurements obtained using response scales....................................................... 66.6 Statistical analysis ................................................................................................................................ 6Annex A (informative) Application examples .................................................................................................. 7Bibliography .......................................................................................................................................................
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