inst/app/www/retest_pnt_notes.md

In rbcavanaugh/pnt: Computer adaptive forms of the Philadelphia Naming Test

PNT-CAT30: 30-item Computer Adaptive Version (Fergadiotis et al., 2019): This test adaptively administers 30 items, beginning with an item targeting average naming ability, excluding those delivered in a previous PNT-CAT30 (recommended). Items are selected to provide the maximum reduction in the standard error of measurement based on the cumulative responses collected. Score estimates from the PNT-CAT30 correlated 0.95 with scores from the full PNT and are suitable for estimating the overall severity of anomia in persons with aphasia. Average administration time: 8-9 Minutes. Required upload: A previous PNT-CAT30.

PNT-CATVL: Variable-length Computer Adaptive Alternate Form (Hula et al., 2020): This test adaptively administers items until the standard error of the score estimate is as precise as it was for a previously administered PNT-CAT30. It also excludes the items given in the previous PNT-CAT30 (required). Score estimates from the PNT-CATVL correlated 0.89 with independent estimates from the PNT-CAT30. Although the PNT-CATVL administers up to 100 items, the median number of items administered by Hula et al. (2020) was 43.5 and the minimum number was 21. Average administration time: 9-10 minutes. Required upload: A previous PNT-CAT30.

PNT-30A, PNT-30B: 30-item static short forms A & B (Walker & Schwartz, 2012): These are two static 30-item PNT short forms with non-overlapping items. For a second assessment, the alternative form should be chosen. The two short forms correlated highly with each other (0.93), and with the full PNT (0.93 and 0.98). This application provides T-score estimates for these short forms on the same scale as the other test versions. Average administration time: similar to PNT-CAT30. Required upload: A previous PNT-30A or PNT-30B.

PNT-175: Full 175-item version* in standard administration order (Roach et al., 1996): This option provides administration of all 175 items in standard PNT administration order. Although this test can also be stopped at any point during administration and will provide a theoretically valid score estimate and standard error, this is not recommended because we have not collected evidence regarding the validity of short form score estimates obtained in this way. Required upload: A Previous PNT-175.

*The item 'eskimo' is excluded from all PNT-CAT administrations and excluded by default for the standard PNT administrations, although there is an option to include it for the full PNT. See here

More Information on the different test versions can be found here

rbcavanaugh/pnt documentation built on Oct. 20, 2024, 7:21 p.m.