Anne Fleur Kortekaas-Rijlaarsdam

49 MPH AND ACADEMIC PERFORMANCE: META-ANALYSIS 2 Area of interest (Outcome, mediator, moderator) Task (abbreviation: reference) Reported measures Outcome measures (included in meta-analysis) Inattention/Overactivity With Aggression (IOWA I/O) Conners Rating Scale (Loney & Milich, 1982; W. Pelham, Milich, & Murphy, 1989) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as the difference between MPH and placebo conditions on the Total ADHD outcome scale, divided by the SD of the placebo condition. Conners, Loney and Milich (CLAM) Scale (Loney & Milich, 1982; Swanson, 1992) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as the difference between MPH and placebo conditions on the Total ADHD outcome scale, divided by the SD of the placebo condition. Conners Global Index (CGI: Conners, 1997) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as the difference between MPH and placebo conditions on the Total ADHD outcome scale, divided by the SD of the placebo condition. On-task behavior (mediator) Restricted Academic Situation Scale (R A Barkley, 1990) 1. Proportion task incompatible behaviors 1. 1 minus proportion task incompatible behaviors On-task ratings by independent observers 1. Percentage on-task behavior 1. Percentage on-task behavior ADHD severity (moderator) ADHD Rating Scale Version 4 (ADHD-RS-IV: Dupaul et al., 1997; DuPaul et al., 1998) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as raw score on the Total ADHD outcome scale, divided by the SD. Vanderbilt ADHD teacher rating scale (Wolraich, Feurer, Hannah, Baumgaertel, & Pinnock, 1998) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as raw score on the Total ADHD outcome scale, divided by the SD. Revised Parent and Teacher Rating Scale Abbreviated (Goyette et al., 1978) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as raw score on the Total ADHD outcome scale, divided by the SD. IOWA I/O Conners Rating Scale (Loney & Milich, 1982; Pelham et al., 1989) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as raw score on the Total ADHD outcome scale, divided by the SD. CGI (Conners, 1997) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as raw score on the Total ADHD outcome scale, divided by the SD. Swanson, Nolan and Pelham rating scale (SNAP: Swanson, 1992) 1. ADHD Total Symptoms (including both Inattentive and Hyperactive/Impulsive scales): raw scores and SDs 1. Standardized score calculated as raw score on the Total ADHD outcome scale, divided by the SD. Supplementary material Table E2.2 Continued