Youth: Contributed a Immediately follow-up survey programming 9 (=9a + 9b) 9a 9b =9/6 =9a/6a =9b/6b Youth: Contributed a 6-months 10 (=10a + follow-up survey programming 10b) 10a 10b =10/6 =10a/6a =10b/6b Youth: Contributed a 12-months 11 (=11a + follow-up survey programming 11b) 11a 11b =11/6 =11a/6a =11b/6b Table C.1b. Youth sample sizes by intervention status individual-level assignment designs – Intervention Comparison Total sample Intervention Comparison response response response Number of youth Time Period size sample size sample size rate rate rate Assigned to condition 1 (=1a + 1b) 1a 1b N/A NA N/A Contributed a baseline survey 2 (=2a + 2b) 2a 2b =2/1 =2a/1a =2b/1b Contributed a follow-up survey Immediately programming 3 (=3a + 3b) 3a 3b =3/1 =3a/1a =3b/1b Contributed a follow-up survey 6-months 4 (=4a + 4b) 4a 4b =4/1 =4a/1a =4b/1b Contributed a follow-up survey 12-months 5 (=5a + 5b) 5a 5b =5/1 =5a/1a =5b/1b Table D.1. Methods used to address implementation research questions (example data included in italics for expository purposes) Implementation element Methods used to address each implementation element
Youth: Contributed a follow-up survey Immediately 9 (=9a + 9b) 9a 9b =9/6 =9a/6a =9b/6b Youth: Contributed a follow-up survey 6-months 10 (=10a + 10b) 10a 10b =10/6 =10a/6a =10b/6b Youth: Contributed a follow-up survey 12-months 11 (=11a + 11b) 11a 11b =11/6 =11a/6a =11b/6b Table C.1b. Youth sample sizes by intervention status – individual-level assignment designs Number of youth Time Period Total sample size Intervention sample size Comparison sample size response rate Intervention response rate Comparison response rate Assigned to condition 1 (=1a + 1b) 1a 1b N/A NA N/A Contributed a baseline survey 2 (=2a + 2b) 2a 2b =2/1 =2a/1a =2b/1b Contributed a follow-up survey Immediately 3 (=3a + 3b) 3a 3b =3/1 =3a/1a =3b/1b Contributed a follow-up survey 6-months 4 (=4a + 4b) 4a 4b =4/1 =4a/1a =4b/1b Contributed a follow-up survey 12-months 5 (=5a + 5b) 5a 5b =5/1 =5a/1a =5b/1b Table D.1. Methods used to address implementation research questions (example data included in italics for expository purposes) Implementation element Methods used to address each implementation element programming programming programming programming
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