National Tennis Rating Program Scale
Reliability & validity
Reliability & validity evidence is syncing from Principia.
Sources
- National Tennis Rating Program
Deploy it
The full item bank and survey deployment live in the People Analytics Toolbox (the enterprise survey-item library), with the min-N privacy gate.
What the literature says
The measurement literature behind this signal — sourced, so you can defend it.
“T-scale scores are obtained by calculating a distribution of scores on some reference population, finding the midpercentile ranks for each score, then converting these scores to normal deviates with the same midpercentile rank, and finally transforming these normal deviates to…”
— computerized_adaptive_testingmatch 43%
“Solving for A and B yields the desired transformation that produces a scale in which a 60 corresponds to the 65% point and a 90 corresponds to the 95th percentile: Y = 1.2X . A different percentile-derived linear scale could have been derived in which a zero scale score…”
— computerized_adaptive_testingmatch 42%
“Researchers frequently use scales withother endpoints, but generally do not go beyond a 10-point scale.At first glance, a rating scale such as the one in Table 4.3 appears to representan interval scale of measurement—there is no true zero and the intervals between numbers appear…”
— Research Methods in Psychologymatch 41%
Resources: computerized_adaptive_testing · Research Methods in Psychology