has essential measure Clinical or Research Assessment Questionnaire Current Age Sustained and Selective Attention Diagnostic Instrument http://www.phenxtoolkit.org/index.php?pageLink=browse.protocoldetails&id=821201 phenX:821201 Conners Continuous Performance Test 3rd Edition PhenX protocol: Sustained and Selective Attention #821201 Suggest update to label A computerized test for the assessment of visual attention problems in individuals ages 8 years old and older. Conners CPT 3 Conners Continuous Performance Test 3rd Edition (Conners CPT 3) Suggest update to label in PhenX as we have done. Diagnostic Instrument