Table 6.
Study 2 Multiple Regression Models Predicting Resource Allocation Across Networks
| Independent variable | Unstandardized regression coefficient | p value |
|---|---|---|
| MG‐MRQAP model | ||
| R 2 adj = .43, p < .001 | ||
| Year 9 intercept | 0.53 | .006 |
| Year 10 intercept (reference Year 9) | −1.52 | .126 |
| Year 11A intercept (reference Year 9) | −1.88 | .480 |
| Year 11B intercept (reference Year 9) | 1.01 | < .001 |
| Relationship strength | 9.45 | < .001a |
| Relationship Strength × Year Group | 3.88 | < .001a |
| Reciprocation | 0.62 | .658 |
| Reciprocation × Year Group | 2.15 | .010a |
| Duration 1 | −1.32 | .014 |
| Empathic concern giving | 0.22 | .006a |
| Empathic Concern Giving × Year Group | −0.13 | .026 |
Multigroup multiple regression with quadratic assignment procedure (MG‐MRQAP) was implemented to predict modified Dictator Game point allocation based on individual difference and network variables and terms specifying their respective interactions with year group (Year 9, Year 10, and Year 11). Independent variables eliminated due to nonsignificance were Best Friends Giving × Group (b = .04, p = .552), best friends giving (b = .00, p = .505), Best Friends Receiving × Group (b = .05, p = .554), Duration 1 × Group (b = −.26, p = .396), Duration 2 Giving × Group (b = .26, p = .661), best friends receiving (b = −.08, p = .316), Duration 2 Receiving × Group (b = −.61, p = .112), Duration 2 receiving (b = −.03, p = .440), and Duration 2 giving (b = −.46, p = .071). Note that the nonsignificant variable reciprocation is retained to examine its interaction with year group.
aDenotes a one‐tailed p value; all other p values are two‐tailed.