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We propose an alternate effect size measure that takes into account changes in slopes and intercepts in the presence of serial dependence and provides an integrated procedure for the analysis of SCDs through estimation and inference based directly on the effect size measure.
Although factor loadings and intercepts in the one-factor FA model are analogous to item discrimination and item difficulty in IRT, these factor analytic terms can be formally transformed into item parameters in the traditional IRT scale (Asparouhov and Muthén 2016; Muthén and Asparouhov 2002).
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We evaluated students' success at representing both slope and intercept in the equations and graphs that they constructed.
Estimated values for the slope and intercept in the logistic model were, respectively, 6.404 and -0.7922 for P. contorta and, respectively, 7.4723 and −1.0167 for P. nigra.
In order to simplify the problem and to emphasize the different effects from "slope" and "intercept", in the following discussions, only uncertainties in (m) and (t_{0}) are considered while (C) is treated as a constant.
The plot of log (q eq − q t ) versus t will give a linear relationship from which k1 and q eq can be determined from the slope and intercept in the graph, respectively.
Consequently as expected, the sire model that assumes homogeneous residual variance (HOM), overestimated both genetic slope variance and genetic correlation between slope and intercept in the simulated data.
The models that provided approximately unbiased estimates when analyzing simulated data (IND and animal-HOM) probably caused an overestimation of genetic slope variance and genetic correlation between slope and intercept in the real data.
The slopes and intercepts in HoNOSCA scores covaried negatively and significantly (p < .05).05
In turn, the slopes and intercepts estimated in the analysis were used to convert the data from one brand to the other.
With regards to calibration, preference should be to present a calibration plot, possibly with the calibration slope and intercept in rather than the Hosmer-Lemeshow test, which has a number of known weaknesses related to sample size [ 48].
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