Table 2 Effects in Linear Equations and Estimates of the Variances ā MIMIC model
Parameter | Indicators | Latent Variable | Parameter | SAS | Mplus | R | t-value (SAS) |
|---|---|---|---|---|---|---|---|
Factor Loading | SGST (Y1) | Executive Functioning | Ī»11 | 0.13 (0.004) | 0.14 (0.004) | 0.14 (0.004) | 33.53 |
NmCorr (Y2) | Executive Functioning | Ī»21 | 7.60 (0.159) | 7.60 (0.159) | 7.60 (0.159) | 47.8 | |
NmSr (Y3) | Executive Functioning | Ī»31 | 0.83 (0.021) | 0.83 (0.022) | 0.83 (0.021) | 38.49 | |
UniItemF (Y4) | Executive Functioning | Ī»41 | 2.97 (0.087) | 2.97 (0.087) | 2.97 (0.087) | 34.24 | |
DgtSpan (Y5) | Executive Functioning | Ī»51 | 0.57 (0.022) | 0.57 (0.022) | 0.57 (0.022) | 26.01 | |
UniItemD (Y6) | Episodic Memory | Ī»62 | 2.06 (0.036) | 2.06 (0.035) | 2.06 (0.036) | 57.84 | |
UniItemI (Y7) | Episodic Memory | Ī»72 | 1.85 (0.031) | 1.85 (0.032) | 1.85 (0.031) | 59.15 | |
Regression Coefficient | Age | Executive Functioning | Ī³11 | ā0.05 (0.002) | ā0.05 (0.002) | ā0.05 (0.002) | ā26.8 |
Gender | Executive Functioning | Ī³12 | ā0.38 (0.038) | ā0.38 (0.038) | āā0.38 (0.038) | ā10 | |
Age | Episodic Memory | Ī³21 | ā0.03 (0.001) | ā0.03 (0.001) | āā0.03 (0.001) | ā20.73 | |
Gender | Episodic Memory | Ī³22 | 0.53 (0.035) | 0.53 (0.035) | 0.53 (0.034) | 15.27 | |
Residual Variance | SGST (Y1) | Ā | \( {\sigma}_{\epsilon_1}^2 \) | 0.06 (0.001) | 0.06 (0.001) | 0.06 (0.001) | 39.96 |
NmCorr (Y2) | Ā | \( {\sigma}_{\epsilon_2}^2 \) | 53.95 (1.944) | 53.95 (1.982) | 53.95 (1.943) | 27.75 | |
NmSr (Y3) | Ā | \( {\sigma}_{\epsilon_3}^2 \) | 1.42 (0.038) | 1.42 (0.038) | 1.42 (0.038) | 37.4 | |
UniItemF (Y4) | Ā | \( {\sigma}_{\epsilon_4}^2 \) | 25.38 (0.640) | 25.38 (0.642) | 25.38 (0.640) | 39.65 | |
DgtSpan (Y5) | Ā | \( {\sigma}_{\epsilon_5}^2 \) | 1.83 (0.043) | 1.83 (0.043) | 1.83 (0.043) | 42.45 | |
UniItemD (Y6) | Ā | \( {\sigma}_{\epsilon_6}^2 \) | 1.73 (0.106) | 1.73 (0.106) | 1.73 (0.106) | 16.39 | |
UniItemI (Y7) | Ā | \( {\sigma}_{\epsilon_7}^2 \) | 0.93 (0.082) | 0.93 (0.082) | 0.93 (0.082) | 11.39 | |
Covariance | Ā | Executive Functioning vs. Episodic Memory | cov(Ī¶1,āĪ¶2) | 0.44 (0.017) | 0.44 (0.018) | 0.44 (0.017) | 25.3 |