FN Clarivate Analytics Web of Science
VR 1.0
PT J
AU De Schryver, M
   Hussey, I
   De Neve, J
   Cartwright, A
   Barnes-Holmes, D
AF De Schryver, Maarten
   Hussey, Ian
   De Neve, Jan
   Cartwright, Aoife
   Barnes-Holmes, Dermot
TI The PIIRAP: An alternative scoring algorithm for the IRAP using a
   probabilistic semiparametric effect size measure
SO JOURNAL OF CONTEXTUAL BEHAVIORAL SCIENCE
LA English
DT Article
DE Implicit measure; IRAP; Effect size; D score; Probabilistic index model
ID IMPLICIT ASSOCIATION TEST; INDIVIDUAL-DIFFERENCES; MODEL
AB The Implicit Relational Assessment Procedure (IRAP) has been used to assess the probability of arbitrarily applicable relational responding or as an indirect measure of implicit attitudes. To date, IRAP effects have commonly been quantified using the DIRAP scoring algorithm, which was derived from Greenwald, Nosek and Banaji's (2003) D effect size measure. In the article, we highlight the difference between an effect size measure and a scoring algorithm, discuss the drawbacks associated with D, and propose an alternative: a probabilistic, semi-parametric measure referred to as the Probabilistic Index (Thas, De Neve, Clement, & Ottoy, 2012). Using a relatively large IRAP dataset, we demonstrate how the PI is more robust to the influence of outliers and skew (which are typical of reaction time data). Finally, we conclude that PI models, in addition to producing point estimate scores, can also provide confidence intervals, significance tests, and afford the possibility to include covariates, all of which may aid single subject design studies.
C1 [De Schryver, Maarten; Hussey, Ian; De Neve, Jan; Barnes-Holmes, Dermot] Univ Ghent, Ghent, Belgium.
   [Cartwright, Aoife] Maynooth Univ, Maynooth, Kildare, Ireland.
RP De Schryver, M (reprint author), Univ Ghent, Ghent, Belgium.; De Schryver, M (reprint author), Univ Ghent, Dept Expt Clin & Hlth Psychol, Henri Dunantlaan 2, B-9000 Ghent, Belgium.
EM Maarten.DeSchryver@Ugent.be
FU Ghent University [BOF09/01M00209]; Odysseus Type 1 award from the FWO
FX This research was supported by grant BOF09/01M00209 of Ghent University
   to Jan De Houwer and an Odysseus Type 1 award (2015-2010) from the FWO
   to Dermot Barnes-Holmes.
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NR 29
TC 0
Z9 0
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 2212-1447
EI 2212-1455
J9 J CONTEXT BEHAV SCI
JI J. Contextual Behav. Sci.
PD JAN
PY 2018
VL 7
BP 97
EP 103
DI 10.1016/j.jcbs.2018.01.001
PG 7
WC Psychology, Clinical
SC Psychology
GA GB0OG
UT WOS:000428745400012
DA 2018-06-29
ER

EF