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Published byColt Stell Modified over 10 years ago
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Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 # of Experts Internal Consistency # of Experts 01234 0 20 40 60 Test-Retest Reliability 01234 0 20 40 60 # of Experts Alternate Form Reliability 01234 0 20 40 60 # of Experts Short Length Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 # of Experts Adequate Number of Trials for Robust Estimate 01234 0 20 40 60 # of Experts Construct Validity 01234 0 20 40 60 # of Experts Lack of Practice Effects 01234 0 20 40 60 # of Experts Lack of Ceiling/Floor Effects Small Scale Clinical Trials Mean: 2.9 Median: 3.0 Mean: 3.5 Median: 4.0 Mean: 2.4 Median: 2.0 Mean: 2.2 Median: 2.0 Mean: 2.9 Median: 3.0 Mean: 3.3 Median: 3.5 Mean: 2.4 Median: 2.0 Mean: 3.2 Median: 3.0
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Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential Large Scale Clinical Trials Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 # of Experts Internal Consistency Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 # of Experts Test-Retest Reliability Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 # of Experts Alternate Form Reliability # of Experts Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 # of Experts Adequate Number of Trials for Robust Estimate # of Experts Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 Construct Validity 01234 0 20 40 60 # of Experts Lack of Practice Effects Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 20 40 60 Short Length 20 40 60 # of Experts Not Helpful Somewhat Helpful Very Helpful but not Essential Somewhat Essential Very Essential 01234 0 Lack of Ceiling/Floor Effects Mean: 3.0 Median: 3.0 Mean: 2.8 Median: 3.0 Mean: 2.6 Median: 3.0 Mean: 3.3 Median: 4.0 Mean: 2.9 Median: 3.0 Mean: 3.2 Median: 3.0 Mean: 2.5 Median: 2.0 Mean: 3.2 Median: 3.0
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Small Scale - Top Two By Area Clinical Trials in Schizophrenia –Test-Retest Reliability –Lack of Ceiling/Floor Effects Cognitive Neuroscience of Schizophrenia –Construct Validity –Test-Retest Reliability Cognitive Rehab of Schizophrenia –Construct Validity –Test-Retest Reliability Human Cognitive Neuroscience –Construct Validity –Lack of Ceiling/Floor Effects Animal Cognitive Neuroscience –Test-Retest Reliability –Construct Validity
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Large Scale - Top Two By Area Clinical Trials in Schizophrenia –Test-Retest Reliability –Lack of Ceiling/Floor Effects Cognitive Neuroscience of Schizophrenia –Test-Retest Reliability –Lack of Ceiling/Floor Effects Cognitive Rehab of Schizophrenia –Construct Validity –Test-Retest Reliability Human Cognitive Neuroscience –Construct Validity –Lack of Ceiling/Floor Effects Animal Cognitive Neuroscience –Internal Consistency –Lack of Ceiling/Floor Effects
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Benchmark Values - Entire Sample CharacteristicOptimal“Worst Acceptable” Internal Consistency.85.60 Test-Retest.90.70 Alternate Form.90.65 Length (in minutes)15 min30 min Minimum # of Trials30 trials15 trials Practice Effect (in SD units).20 SD.50 SD Floor Effect (% diff from 0)20%10% Ceiling Effect (% diff from 100)25%15% Benchmark Values - Higher Confidence CharacteristicOptimal“Worst Acceptable” Internal Consistency.875.60 Test-Retest.90.70 Alternate Form.90.70 Length (in minutes)10 min30 min Minimum # of Trials25 trials10 trials Practice Effect (in SD units).20 SD.50 SD Floor Effect (% diff from 0)25%10% Ceiling Effect (% diff from 100)37.5%12.5%
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