An interval scale has equal units and an arbitrarily assigned zero point; one such scale, for example, is the Fahrenheit temperature scale.
Fig. 3 Person-item map on interval scale.
Essentially, assessors' holistic judgements provide a shared contribution to the development of a measurement interval scale.
Figure 3 lays out the locations of the students and the items on an interval scale.
Such information can be useful, whether or not the chosen scale is an interval scale.
This arrangement allowed to measure the deviation of the adjusted angle from the locked angle on an interval scale.
Since peat depth is reported on an interval scale, we calculated a low, medium, and high estimate for each map.
Five items were measured on a 7-point interval scale anchored by "very low" (1) and "very high" (7).
As mentioned above, integration can be either viewed as a binary variable or on an interval scale assessed through surveys.
With the conjoint measurement, the scores were transformed into an interval scale of workload, ranging from zero to one hundred.
For data measured on the interval scale (e.g., time to first success), a repeated measures analysis of variance was used.
