![]() ![]() Indeed, classification statistics produced in this pediatric sample compare favorably with those produced in many real-world adult patients. Although only moderately sensitive, Digit Span scores are likely to have good utility in identifying noncredible performance in relatively high-functioning older children and adolescents. For Reliable Digit Span, the optimal cut-score was ≤6, with sensitivity of 51% and specificity of 92%. ![]() For age-corrected scaled scores, a score of ≤5 resulted in the optimal cut-score, yielding sensitivity of 51% and specificity of 96%. Fourteen percent of the participants failed both the Medical Symptom Validity Test and Test of Memory Malingering, which was used as the criterion for noncredible effort. The sample consisted of 274 clinically referred mild traumatic brain injury patients aged 8 through 16 years. The present study examined the classification value of several scores derived from the WISC-IV Digit Span subtest. Although several recent studies have demonstrated the appropriateness of using stand-alone symptom validity tests with younger populations, a near absence of pediatric work has investigated embedded validity indicators. Far less work has focused on methods appropriate for children. Table 1 Memory of span of the Participant and the group. Memory span is a person’s ability to reproduce immediately, after one presentation, a series of discrete stimuli in their original order. In adult populations, research on methodologies to identify negative response bias has grown exponentially in the last two decades. Traditional tests of memory span use strings of digits or letters to assess the memory span. ![]()
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