Table 2.
Correlation Coefficients and Average Marginal Effects (and standard errors) for the Relationship between GPA and Selected Measures of Academic Achievement and Employment, by Cohort
| Cohort
|
||||
|---|---|---|---|---|
| 1972 | 1982 | 1992 | 2004 | |
| A. Correlation between high school GPA and… | ||||
| Math achievement | - | 0.52 | 0.64 | 0.53 |
| Reading comprehension | - | 0.46 | 0.54 | 0.50 |
| Student report of effort in high school | - | 0.24 | 0.24 | 0.24 |
|
| ||||
| B. Average marginal effect of high school GPA on… | ||||
| Attending a four-year college | - | 0.27 (0.006) | 0.32 (0.007) | 0.32 (0.004) |
| Attending a selective four-year college | - | 0.07 (0.009) | 0.16 (0.012) | 0.22 (0.011) |
| Earning a baccalaureate degree | - | 0.23 (0.013) | 0.26 (0.015) | - |
| Nakao-Treas occupational prestige score | - | 5.27 (0.266) | 5.52 (0.378) | - |
| Logged annual earnings | - | 0.15 (0.033) | 0.09 (0.041) | - |
|
| ||||
| C. Average marginal effect of college GPA on… | ||||
| Earning a baccalaureate degree | 0.20 (0.009) | 0.26 (0.012) | 0.33 (0.007) | - |
| Nakao-Treas occupational prestige score | 3.63 (0.297) | 4.94 (0.367) | 4.82 (0.415) | - |
| Logged annual earnings | 0.13 (0.021) | 0.10 (0.049) | 0.12 (0.039) | - |
|
| ||||
| D. Average marginal effect of selective college GPA on… | ||||
| Earning a baccalaureate degree | 0.17 (0.029) | 0.17 (0.033) | 0.15 (0.021) | - |
| Nakao-Treas occupational prestige score | 5.08 (1.206) | 4.49 (1.554) | 3.96 (1.311) | - |
| Logged annual earnings | 0.11 (0.097) | 0.09 (0.188) | 0.11 (0.154) | - |