IBG Wiki

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Updated 01-Jul-2020

See form (Note that early versions did not contain item 25: “Absent-minded, forgets things easily”): Tester DBRS

Item-level tester ratings from the DBRS are complete for Australia and Colorado
Some discrepancies noted in double-entry of behavior items in Australia for IT
No tester ratings available from Scandinavia - unclear if not done or just not entered

See form (Note that early versions did not contain item 30: “Is shy”): Parent DBRS

Item-level data for DBRS from Australia (IT-F3) and CO (IT-F4)
Item-level data for DBRS from Norway (IT-F3): Inattention & Hyperactivity items only
Item-level data for DBRS from Sweden (IT-F4): Inattention & Hyperactivity items only
Item-level data for DBRS from Sweden is missing cohorts for F1-F4 for cohorts after 2009
Summary score data for ODD from the DBRS available from Scandinavia for cohorts tested before 2009
Item-level data for Swan from Australia (F1-F3) and CO (F1-F4)
No Swan data available from Scandinavia

Item-level data for DBRS from Australia (IT,F3) and CO (IT,F3)
Item-level data for DBRS from Norway (IT,F1,F2,F3): Inattention and Hyperactivity items only
Item-level data for DBRS from Sweden (IT,F1,F2,F3, and F4): Inattention and Hyperactivity items only
Item-level data for DBRS from Sweden limited to cohorts tested through 2009
Summary score data for ODD from the DBRS available from Scandinavia for cohorts tested through 2008