Table 1
Overview of Sample Sizes, by Site and Research Group
Site and Program Impact Client Child Private Baseline
Sample Survey Outcomes Opinion Test
Sample Study Survey
Sample Sample
Atlanta
Random assignment period 01/07/92 03/12/92 03/12/92 03/12/92 03/12/92
-01/27/94 -01/27/94 -01/27/94 -01/27/94 -01/27/94
Labor Force Attachment 1887 804 396 1646 1673
Human Capital Development 1935 1113 520 1686 1721
Control 1946 1086 506 1701 1735
Full sample 5768 3003 1422 5033 5129
Grand Rapids
Random assignment period 09/25/91 03/25/92 03/25/92 03/25/92 03/25/92
-01/31/94 -01/31/94 -01/31/94 -01/31/94 -01/12/94
Labor Force Attachment 1557 574 225 1061 1062
Human Capital Development 1542 574 205 1050 1050
Control 1455 584 216 985 981
Full sample 4554 1732 646 3096 3093
Riverside
Random assignment period 06/18/91 09/03/91 09/03/91 02/18/92 06/18/91
-06/30/93 -05/27/93 -05/27/93 -06/30/93 -06/30/93
Labor Force Attachment 3384 564 208 2090 2895
Human Capital Development 1596 621 256 970 1319
Control 3342 1114 486 2042 2857
Full sample 8322 2299 950 5102 7071
Columbus
Random assignment period 09/21/92 01/04/93
-07/29/94 -12/29/93
Integrated 2513 371
Traditional 2570 366
Control 2159 357
Full sample 7242 1094
Detroit
Random assignment period 05/12/92 01/24/93
-06/30/94 -12/20/93
Program 2226 210
Control 2233 216
Full sample 4459 426
(continued)
Table 1 (continued)
Site and Program Impact Client Child Private Baseline
Sample Survey Outcomes Opinion Test
Sample Survey Survey
Sample Sample
Oklahoma City
Random assignment period 09/09/91 06/01/92
-05/28/93 -05/24/93
Program 4309 259
Control 4368 252
Full sample 8677 511
Portland
Random assignment period 02/16/93 03/03/93 02/16/93 02/16/93
-12/31/94 -02/28/94 -09/14/94 -12/28/94
Program 3529 297 3325 3362
Control 2018 313 1905 1922
Full sample 5547 610 5230 5284
Total Sample Size 44,569 9,675 3,018 18,461 20,577
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Last modified on 09/10/01