Rating or Intensity Scales

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Selection of Response Alternatives Using Scale Values and Standard Deviations

Using scale values and standard deviations to select response alternatives will give a more refined set of phrases than using an order of merit list. In general, response alternatives selected from lists of phrases with scale values should usually have the following characteristics:

  • The scale values of the terms should be as far apart as possible.
  • The scale values of the terms should be as equally distant as possible.
  • The terms should have small variability (small standard deviations or interquartile ranges).
  • Other things being equal, the terms should have parallel wording.


Acceptability Phrases[1]

Phrase Average Std. Dev.
Excellent 6.27 0.54
Perfect in every respect 6.22 0.86
Extremely good 5.74 0.81
Very good 5.19 0.75
Unusually good 5.03 0.98
Very good in most respects 4.62 0.72
Good 4.25 0.90
Moderately good 3.58 0.77
Could use some minor changes 3.28 1.09
Not good enough for extreme conditions 3.10 1.30
Not good for rough use 2.72 1.15
Not very good 2.10 0.95
Needs major changes 1.97 1.12
Barely acceptable 1.79 0.90
Not good enough for general use 1.76 1.21
Better than nothing 1.22 1.08
Poor 1.06 1.11
Very poor 0.76 0.95
Extremely poor 0.36 0.76


Degrees of Excellence: First Set[2]

Phrase Scale Value Std. Dev.
Exceptionally good 18.55 2.36
Extremely good 18.44 1.61
Unusually good 17.08 2.43
Remarkably good 16.68 2.19
Very good 15.44 2.75
Quite good 14.44 2.76
Good 14.32 2.08
Moderately good 13.44 2.23
Reasonably good 12.92 2.93
Fairly good 11.96 2.42
Slightly good 11.84 2.19
So-so 10.08 1.87
Not very much 6.72 2.82
Moderately poor 6.44 1.64
Reasonably poor 6.32 2.46
Slightly poor 5.92 1.36
Poor 5.72 2.09
Fairly poor 5.64 1.68
Quite poor 4.80 1.44
Unusually poor 3.20 1.44
Very poor 3.12 1.17
Remarkably poor 2.88 1.74
Exceptionally poor 2.52 1.19
Extremely poor 2.08 1.19


Degrees of Good and Bad[3]

Phrase Scale Value
Extremely good 3.449
Very good 3.250
Unusually good 3.243
Decidedly good 3.024
Quite good 2.880
Rather good 2.755
Good 2.712
Pretty good 2.622
Somewhat good 2.462
Slightly good 2.417
Slightly bad 1.497
Somewhat bad 1.323
Rather bad 1.232
Bad 1.024
Pretty bad 1.018
Quite bad 0.924
Decidedly bad 0.797
Unusually bad 0.662
Very bad 0.639
Extremely bad 0.470


Degrees of Agree and Disagree[4]

Phase Mean Std. Dev.
Decidedly agree 2.77 .41
Quite agree 2.37 .49
Considerably agree 2.21 .42
Substantially agree 2.10 .50
Moderately agree 1.47 .41
Somewhat agree .94 .41
Slightly agree .67 .36
Perhaps agree .52 .46
Perhaps disagree -.43 .45
Slightly disagree -.64 .38
Somewhat disagree -.98 .47
Moderately disagree -1.35 .42
Quite disagree -2.16 .57
Substantially disagree -2.17 .51
Considerably disagree -2.17 .45
Decidedly disagree -2.76 .43


Degrees of More and Less[5]

Phrase Scale Value Interquartile Range
Very much more 8.02 0.61
Much more 7.67 1.04
A lot more 7.50 1.06
A good deal more 7.29 0.98
More 6.33 1.01
Somewhat more 6.25 0.98
A little more 6.00 0.58
Slightly more 5.99 0.57
Slightly less 3.97 0.56
A little less 3.96 0.54
Less 3.64 1.04
Much less 2.55 1.06
A good deal less 2.44 1.11
A lot less 2.36 1.03
Very much less 1.96 0.52

Degrees of Adequate and Inadequate[6]

Phrase Mean Std. Dev.
Totally adequate 4.620 .846
Absolutely adequate 4.540 .921
Completely adequate 4.490 .825
Extremely adequate 4.412 .719
Exceptionally adequate 4.380 .869
Entirely adequate 4.340 .863
Wholly adequate 4.314 1.038
Fully adequate 4.294 .914
Very, very adequate 4.063 .876
Perfectly adequate 3.922 1.026
Highly adequate 3.843 .606
Most adequate 3.843 .978
Very adequate 3.420 .851
Decidedly adequate 3.140 1.536
Considerably adequate 3.020 .874
Quite adequate 2.980 .979
Largely adequate 2.863 .991
Substantially adequate 2.608 1.030
Reasonably adequate 2.412 .771
Pretty adequate 2.306 .862
Rather adequate 1.755 .893
Mildly adequate 1.571 .670
Somewhat adequate 1.327 .793
Slightly adequate 1.200 .566
Barely adequate 0.627 .928
Neutral 0.000 .000
Borderline -.020 .316
Barely inadequate -1.157 .638
Mildly inadequate -1.353 .621
Slightly inadequate -1.380 .772
Somewhat inadequate -1.882 .732
Rather inadequate -2.102 .974
Moderately inadequate -2.157 1.017
Fairly inadequate -2.216 .800
Pretty inadequate -2.347 .959
Considerably inadequate -3.600 .680
Very inadequate -3.735 .777
Decidedly inadequate -3.780 .944
Most inadequate -3.980 1.545
Highly inadequate -4.196 .741
Very, very inadequate -4.460 .537
Extremely inadequate -4.608 .527
Fully inadequate -4.667 .676
Exceptionally inadequate -4.680 .508
Wholly inadequate -4.784 .498
Entirely inadequate -4.792 .644
Completely inadequate -4.800 .529
Absolutely inadequate -4.800 .431
Totally inadequate -4.900 .412

Degrees of Acceptable and Unacceptable[6]

Phrase Mean Std. Dev.
Wholly acceptable 4.725 .563
Completely acceptable 4.686 .610
Fully acceptable 4.412 .867
Extremely acceptable 4.392 .716
Most acceptable 4.157 .915
Very, very acceptable 4.157 .825
Highly acceptable 4.040 .631
Quite acceptable 3.216 .956
Largely acceptable 3.137 .991
Acceptable 2.392 1.456
Reasonably acceptable 2.294 .722
Moderately acceptable 2.280 .722
Pretty acceptable 2.000 1.125
Rather acceptable 1.939 .818
Fairly acceptable 1.840 .924
Mildly acceptable 1.686 .700
Somewhat acceptable 1.458 1.241
Barely acceptable 1.078 .518
Slightly acceptable 1.039 .522
Sort of acceptable 0.940 .645
Borderline 0.000 .200
Neutral 0.000 0.000
Marginal -.120 .515
Barely unacceptable -1.100 .300
Slightly unacceptable -1.255 .589
Somewhat unacceptable -1.765 .674
Rather unacceptable -2.020 .836
Fairly unacceptable -2.160 .880
Moderately unacceptable -2.340 .681
Pretty unacceptable -2.412 .662
Reasonably unacceptable -2.440 .753
Unacceptable -2.667 1.381
Substantially unacceptable -3.235 .899
Quite unacceptable -3.388 1.066
Largely unacceptable -3.392 .818
Considerably unacceptable -3.440 .779
Notably unacceptable -3.500 1.044
Decidedly unacceptable -3.837 1.017
Highly unacceptable -4.294 .535
Most unacceptable -4.420 .724
Very, very unacceptable -4.490 .500
Exceptionally unacceptable -4.540 .607
Extremely unacceptable -4.686 .464
Completely unacceptable -4.900 .361
Entirely unacceptable -4.900 .361
Wholly unacceptable -4.922 .269
Absolutely unacceptable -4.922 .334
Totally unacceptable -4.941 .235


Comparison Phrases[6]

Phrase Mean Std. Dev.
Best of all 4.896 .510
Absolutely best 4.843 .459
Truly best 4.600 .721
Undoubtedly best 4.569 .823
Decidedly best 4.373 .839
Best 4.216 1.459
Absolutely better 4.060 .988
Extremely better 3.922 .882
Substantially better 3.700 .922
Decidedly better 3.412 .933
Conspicuously better 3.059 .802
Moderately better 2.255 .737
Somewhat better 1.834 .801
Rather better 1.816 .719
Slightly better 1.157 .776
Barely better 0.961 .656
Absolutely alike 0.538 1.623
Alike 0.216 .847
The same 0.157 .801
Neutral 0.000 0.000
Borderline -0.061 .314
Marginal -0.184 .919
Barely worse -1.039 .816
Slightly worse -1.216 .498
Somewhat worse -2.078 .860
Moderately worse -2.220 .944
Noticeably worse -2.529 1.030
Worse -2.667 1.423
Notably worse -3.020 1.038
Largely worse -3.216 1.108
Considerably worse -3.275 1.206
Conspicuously worse -3.275 .887
Much worse -3.286 .808
Substantially worse -3.460 .899
Decidedly worse -3.760 .907
Very much worse -3.941 .752
Absolutely worse -4.431 .823
Decidedly worst -4.431 .748
Undoubtedly worst -4.510 .872
Absolutely worst -4.686 1.291
Worst of all -4.776 1.298


Degrees of Satisfactory and Unsatisfactory[1]

Phrase Scale Value Std. Dev.
Quite satisfactory 4.35 .95
Satisfactory 3.69 .87
Not very satisfactory 2.11 .76
Unsatisfactory but usable 2.00 .87
Very unsatisfactory 0.69 1.32


Degrees of Unsatisfactory[7]

Phrase Scale Value
Unsatisfactory 1.47
Quite unsatisfactory 1.00
Very unsatisfactory 0.75
Unusually unsatisfactory 0.75
Highly unsatisfactory 0.71
Very, very unsatisfactory 0.25
Extremely unsatisfactory 0.10
Completely unsatisfactory 0.00

Degrees of Pleasant[3]

Phrase Scale Value
Extremely pleasant 3.490
Very pleasant 3.174
Unusually pleasant 3.107
Decidedly pleasant 3.028
Quite Pleasant 2.849
Pleasant 2.770
Rather pleasant 2.743
Pretty pleasant 2.738
Somewhat pleasant 2.505
Slightly pleasant 2.440


Degrees of Agreeable[7]

Phrase Scale Value
Very, very agreeable 5.34
Extremely agreeable 5.10
Highly agreeable 5.02
Completely agreeable 4.96
Unusually agreeable 4.86
Very agreeable 4.82
Quite agreeable 4.45
Agreeable 4.19


Degrees of Desirable[7]

Phrase Scale Value
Very, very desirable 5.66
Extremely desirable 5.42
Completely desirable 5.38
Unusually desirable 5.23
Highly desirable 5.25
Very desirable 4.96
Quite desirable 4.76
Desirable 4.50


Degrees of Nice

Phrase Scale Value
Extremely nice 3.351
Unusually nice 3.155
Very nice 3.016
Decidedly nice 2.969
Pretty nice 2.767
Quite nice 2.738
Nice 2.636
Rather nice 2.568
Somewhat nice 2.488
Slightly nice 2.286


Degrees of Adequate[1]

Phrase Scale Value Std. Dev.
More than adequate 4.13 1.11
Adequate 3.39 .87
Not quite adequate 2.40 .85
Barely adequate 2.10 .84
Not adequate 1.83 .98


Degrees of Ordinary[3]

Phrase Scale Value
Ordinary 2.074
Very ordinary 2.073
Somewhat ordinary 2.038
Rather ordinary 2.934
Pretty ordinary 2.026
Slightly ordinary 1.980
Decidedly ordinary 1.949
Extremely ordinary 1.936
Unusually ordinary 1.875


Degrees of Average[3]

Phrase Scale Value
Rather average 2.172
Average 2.145
Quite average 2.101
Pretty average 2.094
Somewhat average 2.080
Unusually average 2.062
Extremely average 2.052
Very average 2.039
Slightly average 2.023
Decidedly average 2.020


Degrees of Hesitation[5]

Phrase Scale Value Interquartile Range
Without hesitation 7.50 6.54
With little hesitation 5.83 3.40
Hesitant 4.77 1.06
With some hesitation 4.38 1.60
With considerable hesitation 3.29 3.39
With much hesitation 3.20 5.25
With great hesitation 2.41 6.00

Degrees of Inferior[3]

Phrase Scale Value
Slightly inferior 1.520
Somewhat inferior 1.516
Inferior 1.323
Rather inferior 1.295
Pretty inferior 1.180
Quite inferior 1.127
Decidedly inferior 1.013
Unusually inferior 0.963
Very inferior 0.927
Extremely inferior 0.705


Degrees of Poor[7]

Phrase Scale Value
Poor 1.60
Quite poor 1.30
Very poor 1.18
Unusually poor 0.95
Extremely poor 0.95
Completely poor 0.92
Very, very poor 0.55


Descriptive Phrases[5]

Phrase Scale Value Interquartile Range
Complete 8.85 .65
Extremely vital 8.79 .84
Very certain 8.55 1.05
Very strongly 8.40 1.04
Very critical 8.29 1.12
Very important 8.22 1.16
Very sure 8.15 .95
Almost complete 8.06 .58
Of great importance 8.05 .91
Very urgent 8.00 .90
Feel strongly toward 7.80 1.60
Essential 7.58 1.85
Very vital 7.55 1.05
Certain 7.13 1.44
Strongly 7.07 .67
Important 6.83 1.14
Good 6.72 1.20
Urgent 6.41 1.53
Crucial 6.39 1.73
Sure 5.93 1.87
Vital 5.92 1.63
Moderately 5.24 .99
Now 5.03 .53
As at present 5.00 .50
Fair 4.96 .77
Don't know 4.82 .82
Undecided 4.73 1.06
Don't care 4.63 2.00
Somewhat 3.79 .94
Indifferent 3.70 2.20
Object strongly to 3.50 6.07
Not important 3.09 1.33
Unimportant 2.94 1.42
Bad 2.89 .93
Uncertain 2.83 2.50
Doesn't make any difference 2.83 3.13
Not sure 2.82 1.24
Not certain 2.64 2.62
Non-essential 2.58 1.67
Doesn't mean anything 2.50 2.71
Insignificant 2.12 1.14
Very little 2.08 .64
Almost none 2.04 .57
Very unimportant 1.75 1.25
Only as a last resort 1.70 7.30
Very bad 1.50 1.13
None 1.11 .59


References

  1. 1.0 1.1 1.2 U.S. Army Test and Evaluation Command (1973). Development of a Guide and Checklist for Human Factors Evaluation of Army Equipment and Systems, U.S. Army Test and Evaluation Command (TECOM), Contract DAADO5-73-C-0388.
  2. Myers, J. H., & Warner, W. G. (1968). Semantic Properties of Selected Evaluation Adjectives. Journal of Marketing Research, 5, pp 409-412.
  3. 3.0 3.1 3.2 3.3 3.4 Cliff, N. (1959). Adverbs As Multipliers. Psychological Review, 66, pp 27-44.
  4. Altemeyer, R. A. (1970). Adverbs and Intervals: A Study of Likert Scales. American Psychological Association, Proceedings of the Annual Convention of 1970, S (pt. 1) pp 397-398.
  5. 5.0 5.1 5.2 Dodd, S. C., & Gerberick, T. R. (1960). Word Scales for Degrees of Opinion. Language and Speech, 3, pp 18-31.
  6. 6.0 6.1 6.2 Matthews, J. J., Wright, C. E., & Yudowitch, K. L. (1975) Analysis of the Results of the Administration of Three Sets of Descriptive Adjective Phrases. Palo Alto: Operations Research Associates (prepared for the U.S. Army Research Institute for the Behavioral and Social Sciences, Fort Hood, Texas under Contract DAHC19-74-C-0032)
  7. 7.0 7.1 7.2 7.3 Mosier, C. I. (1941). A Psychometric Study of Meaning. Journal of Social Psychology, 13, pp 23-140.
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