Table 5.
Parameter Estimates (and 95% Confidence Intervals) for Constrained (Equate) and Unconstrained (Differ) Models and Fit Indices From NEAD and Twin Moms Projects
| NEAD
|
Twin Moms
|
Fit indicesa |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Reporter | Model | a2 | c2 | e2 | a2 | c2 | e2 | χ2 | AIC |
| Mother’s positivity | |||||||||
| Mom | Equate | .20 (.04–.36) | .40 (.28–.51) | .40 (.33–.48) | 226.16* | 184.16 | |||
| Differ | .46 (.17–.56) | .50 (.00–.21) | .04 (.44–.67) | .45 (.17–.56) | .00 (.00–.21) | .55 (.44–.67) | 55.78* | 19.78 | |
| Child | Equate | .19 (.00–.41) | .17 (.01–.33) | .64 (.54–.75) | 26.58 | −15.42 | |||
| Differ | .27 (.00–.55) | .19 (.00–.36) | .54 (.40–.72) | .30 (.00–.46) | .04 (.00–.32) | .67 (.54–.82) | 22.75 | −13.25 | |
| Observer | Equate | .00 (.00–.12) | .33 (.24–.40) | .67 (.60–.74) | 43.03* | 1.03 | |||
| Differ | .00 (.00–.19) | .50 (.37–.57) | .50 (.39–.58) | .23 (.00–.36) | .00 (.00–.22) | .77 (.64–.91) | 9.67 | −26.33 | |
| Mother’s negativity | |||||||||
| Mom | Equate | .09 (.00–.27) | .43 (.30–.53) | .48 (.40–.57) | 108.53* | 66.53 | |||
| Differ | .40 (.27–.52) | .48 (.37–.57) | .12 (.39–.58) | .39 (.09–.51) | .00 (.00–.22) | .61 (.50–.74) | 10.44 | −25.56 | |
| Child | Equate | .07 (.00–.30) | .14 (.00–.25) | .80 (.68–.89) | 27.74 | −14.26 | |||
| Differ | .43 (.14–.65) | .10 (.00–.27) | .48 (.35–.64) | .05 (.00–.19) | .00 (.00–.14) | .95 (.81–1.0) | 4.58 | −31.42 | |
| Observer | Equate | .00 (.00–.22) | .25 (.10–.32) | .75 (.64–.82) | 3.02 | −38.98 | |||
| Differ | .09 (.00–.39) | .24 (.05–.37) | .67 (.51–.81) | .00 (.00–.35) | .22 (.00–.32) | .78 (.64–.89) | 1.17 | −34.83 | |
| Mother’s attempted control | |||||||||
| Mom | Equate | .00 (.00–.04) | .54 (.48–.59) | .46 (.41–.52) | 216.07* | 174.07 | |||
| Differ | .21 (.13–.29) | .71 (.63–.77) | .08 (.06–.12) | .01 (.00–.37) | .23 (.00–.34) | .76 (.62–.87) | 18.05 | −17.95 | |
| Child | Equate | .00 (.00–.11) | .15 (.06–.22) | .85 (.77–.92) | 33.20* | −8.80 | |||
| Differ | .18 (.00–.48) | .25 (.06–.41) | .57 (.41–.74) | .00 (.00–.08) | .00 (.00–.07) | 1.0 (.92–1.0) | 2.78 | −33.22 | |
| Mother’s actual control | |||||||||
| Mom | Equate | .00 (.00–.03) | .50 (.44–.55) | .50 (.45–.56) | 324.02* | 282.02 | |||
| Differ | .32 (.00–.61) | .16 (.00–.35) | .51 (.37–.71) | .00 (.00–.13) | .02 (.00–.13) | .98 (.86–1.0) | 29.43* | −6.57 | |
| Child | Equate | .00 (.00–.11) | .18 (.09–.25) | .82 (.75–.89) | 16.21 | −25.79 | |||
| Differ | .27 (.23–.36) | .68 (.60–.74) | .03 (.02–.05) | .00 (.00–.27) | .13 (.00–.24) | .87 (.73–.98) | 7.38 | −28.62 | |
| Observer rated control | |||||||||
| Observer | Equate | .00 (.00–.22) | .24 (.08–.31) | .76 (.66–.83) | 16.21 | −25.79 | |||
| Differ | .00 (.00–.24) | .17 (.01–.27) | .83 (.64–.93) | .12 (.00–.26) | .00 (.00–.15) | .88 (.74–1.0) | 8.64 | −27.38 | |
| Mother’s knowledge (monitoring) | |||||||||
| Mom | Equate | .04 (.00–.21) | .48 (.35–.55) | .48 (.40–.56) | 126.49* | 84.49 | |||
| Differ | .33 (.21–.45) | .53 (.43–.63) | .14 (.10–.20) | .40 (.02–.51) | .00 (.00–.30) | .60 (.49–.75) | 29.43* | −6.57 | |
| Child | Equate | .00 (.00–.22) | .24 (.08–.31) | .76 (.66–.83) | 16.21 | −25.79 | |||
| Differ | .05 (.00–.35) | .31 (.12–.42) | .64 (.48–.76) | .20 (.00–.33) | .00 (.00–.22) | .80 (.67–.95) | 6.06 | −29.94 | |
Note. NEAD = Nonshared Environment in Adolescent Development project; AIC = Akaike’s information criterion.
a
df = 18 for differ models and 21 for equate models. Best-fitting models, as indicated by Δχ2(3), are indicated in bold. A difference greater than 7.82 is significant.
*
p ≤ .05.