Methodological considerations regarding response bias effect in substance use research: is correlation between the measured variables sufficient?

Table 5 Standardised regression weights on paths and correlations between the latent variables

Path	Model 1	Model 2	Model 3	Model 4
Control → Opinion	-0.111	-0.212	3.228	2.655
Attitude → Opinion	2.159	0.127	5.363	6.190
Deterrence → Opinion	-0.366	-0.355	2.747	2.551
Social Desirability → Attitude		0.360
Social Desirability → Deterrence		-0.445
Social Desirability → Control		-0.459
Social Desirability → Opinion		0.023		2.612
Social Desirability ← Control
Social Desirability ← Deterrence
Social Desirability ← Attitude
Control ↔ Deterrence		0.171		0.184
Control ↔ Attitude		-0.743		-0.697
Deterrence ↔ Attitude		-0.686		-0.626.
Social Desirability ↔ Control				0.332
Social Desirability ↔ Deterrence				0.170
Social Desirability ↔ Attitude				-0.678

Model 1: without SD, correlation between latent variables not allowed (Figure 1)
Model 2: with SD, correlation between latent variables not allowed (Figure 2)
Model 3: SD effect at the individual indicator measures (Figure 3)
Model 4: SD as an independent predictor variable (Figure 4)

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