As noted in Example 10.5, DeMeis and Stearns studied the effect of relative age
ID: 3257980 • Letter: A
Question
As noted in Example 10.5, DeMeis and Stearns studied the effect of relative age on academic and social performance and found a negative correlation between month of birth after entrance cut-off date and referrals for gifted student evaluation. But what were the consequences of these evaluations? Analyze their data for students actually placed in gifted and talented programs in the Geneva school district (given in the table below). Is there a similar effect? Investigate by testing H_0: rho_s greaterthanorequalto 0 versus H_o: rho_sExplanation / Answer
Concordant pairs: they both move in the same direction.
September and October data is same direction
Discordant pairs: ranked in opposite directions
December and January or June and July
Tied pairs: both sequence agree
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