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Violent media content and aggressiveness in adolescents: A negative feedback-loop model
Unformatted Document Text:  A negative feedback-loop model page 14 use ranged from .44 to .70, p<.05. The three sub-components of aggressiveness were highly related within each time: at Time 1, cognition-behavior r = .62, p < .05, values- behavior r = .61, p< .05, values-cognition r = .62, p<.05. Correlations among the disturbance terms of the latent factors at Times 1 and 2 were aggressiveness Time 2- violent media content use Time 2 r = .25, p < .05, aggressiveness Time 3- violent media content use Time 3 r = .12, p > .05. Structural Model and Hypothesis Tests The initial structural model (model A) included paths from the control variables to the six latent factors and the stability paths (paths from time 1 to time 2 aggressiveness, time 2 to time 3 aggressiveness, time 1 to time 2 violent media content use, and time 2 to time 3 violent media content use). This model was used as a base model against which the first set of cross-lag paths was tested. These stability paths (i.e., the baseline scores on the endogenous variables) were maintained in the subsequent analyses. Therefore, the prospective analyses below test the ability of aggressiveness to predict change in violent media content use from one wave to the next and the ability of violent media content use to predict change in aggressiveness from one wave to the next. The first test examined the effects of aggressiveness on violent media content use (i.e., selective exposure) across two consecutive lags. Adding the paths from time 1 aggressiveness to time 2 violent media content use and from time 2 aggressiveness to time 3 violent media content use (model B) significantly improved fit over the base structural model, as indicated by a chi-square difference test ( 2 (2) = 9.05, p < .05, see Table 1). This finding indicates that aggressiveness significantly predicts violent media

Authors: Slater, Michael., Swaim, Randall. and Anderson, Lori.
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A negative feedback-loop model page 14
use ranged from .44 to .70, p<.05. The three sub-components of aggressiveness were
highly related within each time: at Time 1, cognition-behavior r = .62, p < .05, values-
behavior r = .61, p< .05, values-cognition r = .62, p<.05. Correlations among the
disturbance terms of the latent factors at Times 1 and 2 were aggressiveness Time 2-
violent media content use Time 2 r = .25, p < .05, aggressiveness Time 3- violent media
content use Time 3 r = .12, p > .05.
Structural Model and Hypothesis Tests
The initial structural model (model A) included paths from the control variables to
the six latent factors and the stability paths (paths from time 1 to time 2 aggressiveness,
time 2 to time 3 aggressiveness, time 1 to time 2 violent media content use, and time 2 to
time 3 violent media content use). This model was used as a base model against which
the first set of cross-lag paths was tested. These stability paths (i.e., the baseline scores
on the endogenous variables) were maintained in the subsequent analyses. Therefore, the
prospective analyses below test the ability of aggressiveness to predict change in violent
media content use from one wave to the next and the ability of violent media content use
to predict change in aggressiveness from one wave to the next.
The first test examined the effects of aggressiveness on violent media content use
(i.e., selective exposure) across two consecutive lags. Adding the paths from time 1
aggressiveness to time 2 violent media content use and from time 2 aggressiveness to
time 3 violent media content use (model B) significantly improved fit over the base
structural model, as indicated by a chi-square difference test (
2
(2) = 9.05, p < .05, see
Table 1). This finding indicates that aggressiveness significantly predicts violent media


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