Psychometric properties of reaction time based experimental paradigms measuring anxiety-related information-processing biases in children.
Theoretical frameworks highlight the importance of threat-related information-processing biases for understanding the emergence of anxiety in childhood. The psychometric properties of several tasks measuring these biases and their associations with anxiety were examined in an unselected sample of 9-year-old children (N=155). In each task, threat bias was assessed using bias scores reflecting task performance on threat versus non-threat conditions. Reliability was assessed using split-half and test-retest correlations of mean reaction times (RTs), accuracy and bias indices. Convergence between measures was also examined. Mean RTs showed substantial split-half and test-retest correlations. Bias score reliability coefficients were near zero and non-significant, suggesting poor reliability in children of this age. Additionally, associations between bias scores and anxiety were weak and inconsistent and performance between tasks showed little convergence. Bias scores from RT based paradigms in the current study lacked adequate psychometric properties for measuring individual differences in anxiety-related information-processing in children.
Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College, London, United Kingdom.
H M
HM
Brown
Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College, London, United Kingdom.
T C
TC
Eley
Department of Public Health, Erasmus Medical Centre, Rotterdam, Netherlands.
S
S
Broeren
Centre for the Advancement of Research on Emotion, University of Western Australia, Australia.
C
C
Macleod
Behavioural Science Institute, Radboud University, Nijmegen, Netherlands.
M
M
Rinck
Department of Psychology, University of Southampton, United Kingdom.
J A
JA
Hadwin
Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College, London, United Kingdom. Electronic address: kathryn.lester@kcl.ac.uk.
K J
KJ
Lester
D001007:Anxiety / Q000523:psychology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008606:Mental Processes / Q000502:physiology*; D011594:Psychometrics; D011930:Reaction Time / Q000502:physiology*; D015203:Reproducibility of Results
Anxiety; Children; Information-processing; Psychometrics; Reliability