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Joseph J. Ryan
University of Central Missouri
192Publications
28H-index
5,894Citations
Publications 194
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#1Joseph J. RyanH-Index: 28
Last.David S. KreinerH-Index: 13
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#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2David S. Kreiner (UCM: University of Central Missouri)H-Index: 13
Last.Anthony M. Paolo (KU: University of Kansas)H-Index: 25
view all 3 authors...
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#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2Takahiro Yamaguchi (Northeastern State University)
Last.David S. Kreiner (UCM: University of Central Missouri)H-Index: 13
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The Rey 15-Item Test and reliable digit span were evaluated in Japan. Participants were controls (n = 15), healthy volunteers instructed to simulate memory impairment (n = 12; 5 of 17 volunteers di...
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#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2David S. Kreiner (UCM: University of Central Missouri)H-Index: 13
Last.Allison Myers-FabianH-Index: 1
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AbstractInterpretive strategies for the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) include Wechsler’s four-factor structure and the five-factor Cattell-Horn-Carroll (CHC) model. The...
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#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2Jennifer L. Blacksmith (UCM: University of Central Missouri)H-Index: 1
Last.Laura Glass Umfleet (MCW: Medical College of Wisconsin)H-Index: 4
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ABSTRACTThe goals of the present study were to: (a) collect preliminary normative data on the 21-Item Test in children and adolescents and to determine if cutoffs for biased responding in adults can be generalized to a younger population; (b) determine if Caucasian and Hispanic children perform differently on the test; and (c) ascertain the relationships of age and verbal intelligence with effort test performance. The 21-Item Test was administered to 153 children attending either a public (n = 9...
3 CitationsSource
#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2Laura Glass Umfleet (MCW: Medical College of Wisconsin)H-Index: 4
Last.Anthony M. Paolo (KU: University of Kansas)H-Index: 25
view all 5 authors...
ABSTRACTBackground: It has been suggested that men and women with Alzheimer's disease (AD) at comparable levels of global cognitive impairment perform differently on neuropsychological measures. Such differences may have practical implications for designing cognitive interventions that address symptoms of dementia.Methods: We compared men (n = 86) and women (n = 96) with AD on tests of immediate and delayed prose memory, verbal fluency, semantic fluency, semantic memory, and confrontation naming...
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#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2David S. Kreiner (UCM: University of Central Missouri)H-Index: 13
Last.Allison Myers-FabianH-Index: 1
view all 5 authors...
ABSTRACTWe examined relationships between the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) General Ability Index (GAI) and Cognitive Proficiency Index (CPI) in two clinical samples. The mean pattern produced by 42 individuals with multiple sclerosis (MS) and 47 with traumatic brain injury (TBI) was the same, GAI > CPI. This pattern occurred in 61.9% and 78.7% of the protocols of patients with MS or TBI, respectively. The MS sample earned a significantly larger CPI mean than did pat...
1 CitationsSource
#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2Laura Glass Umfleet (MCW: Medical College of Wisconsin)H-Index: 4
Last.Samuel T. GontkovskyH-Index: 15
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We evaluated the utility of prorating appropriate combinations of two, six and eight Wechsler Adult Intelligence Scale – Fourth Edition (WAIS – IV) subtests for estimating the Verbal Comprehension Index (VCI), Perceptual Reasoning Index (PRI), Full Scale IQ (FSIQ) and General Ability Index (GAI) in a sample of individuals diagnosed with multiple sclerosis (MS). Forty-eight outpatients completed the WAIS – IV and Wechsler Memory Scale – Fourth Edition (WMS – IV) as part of a comprehensive neurops...
Source
#1Joseph J. Ryan (UCM: University of Central Missouri)H-Index: 28
#2David S. Kreiner (UCM: University of Central Missouri)H-Index: 2
Last.Laura Glass Umfleet (MCW: Medical College of Wisconsin)H-Index: 4
view all 4 authors...
A Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) short form (SF) may be effective for ruling out subnormal intelligence. To create a useful SF, subtest administration should follow the order prescribed in the manual and, depending upon individual performance, be terminated after completion of 2, 3, 4, or 5 subtests. One hundred and twenty-two patients completed the WAIS-IV. In two analyses, Full-Scale IQs (FSIQs) ≤69 and ≤79 were classified as impairment. Classification accuracy stat...
5 CitationsSource
Base rates of impairment on the Temporal Orientation Scale (TOS; Benton et al.,) were reported for normal elderly (n=210) and patients with either Alzheimer’s disease (AD; n=112) or Parkinson’s disease (PD; n=189). The study hypothesis was that disorientation would be more frequent in ADs than in controls and PDs. Base rates for controls, PDs, and ADs were 1.00%, 22.22%, and 78.60% when disorientation was defined as ≥3 errors and 1.00%, 18.52%, and 72.30% when impairment was suggested by ≥4 erro...
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