TABLE 6.
Unweighted Percentage Distribution of Twin and Non-Twin Project TALENT Participants, by Selected Student and School Characteristics
| Total | Twins | Non-twins | Chi-square value | |
|---|---|---|---|---|
| Selected student characteristics | ||||
| Test grade | 17.36* | |||
| 9th | 27.6 | 28.7 | 27.5 | |
| 10th | 26.4 | 28.2 | 26.4 | |
| 11th | 24.5 | 23.4 | 24.5 | |
| 12th | 21.5 | 19.7 | 21.5 | |
| Sex | 7.28* | |||
| Male | 49.9 | 47.9 | 49.9 | |
| Female | 50.1 | 52.1 | 50.1 | |
| Minority status | 3.61 | |||
| Not minority | 39.4 | 38.9 | 39.4 | |
| Minority | 2.6 | 2.2 | 2.6 | |
| Unknown | 58.0 | 58.9 | 58.0 | |
| Socio-economic status | 41.25* | |||
| Top quintile | 17.5 | 20.2 | 17.5 | |
| Middle three quintiles | 56.0 | 56.6 | 56.0 | |
| Bottom quintile | 21.4 | 19.2 | 21.4 | |
| Unknown | 5.0 | 4.0 | 5.0 | |
| Selected school characteristics | ||||
| School type | 26.80* | |||
| Public | 88.8 | 91.0 | 88.7 | |
| Parochial or other diocesan | 6.2 | 5.3 | 6.2 | |
| Other nonpublic | 4.3 | 3.1 | 4.4 | |
| Unknown | 0.7 | 0.6 | 0.7 | |
| Size of senior class | 100.83* | |||
| 0–24 seniors | 2.4 | 2.9 | 2.4 | |
| 25–99 seniors | 25.9 | 30.4 | 25.9 | |
| 100–399 seniors | 34.5 | 36.3 | 34.5 | |
| 400 or more seniors | 19.2 | 15.8 | 19.2 | |
| Unknown | 17.9 | 14.6 | 17.9 | |
| Population of school community | 305.02* | |||
| Rural | 11.7 | 14.3 | 11.6 | |
| Under 5,000 people (not rural) | 12.5 | 14.5 | 12.5 | |
| 5,000–249,999 people | 45.0 | 49.3 | 45.0 | |
| 250,000–1,499,999 people | 10.7 | 11.1 | 10.7 | |
| 1,500,000 or more people | 7.0 | 1.7 | 7.0 | |
| Unknown | 13.1 | 9.1 | 13.2 |
Note:
*
p < .05.