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Figure 1. Scree plot of Group 6 (Ideal L2 Self, Linguistic Self-Confidence, Imagery Capacity, and Positive Changes of the Future L2 Self-Image). The results suggest that all these scales represent only one latent variable.  these scales are not central to the L2MSS.  Table 5 presents the EFA results. The scree plot and parallel analysis always agreed, showing that—with the exception of Group 5—the results for all groups indicated only one meaningful underlying variable. For Group 5, there were two factors, which is less than the three expected factors. As expected, the eigenvalue-over-1 rule was frequently prone to overdimensionalization (van der Eijk & Rose, 2015). One surprising aspect in these results is that the Ideal L2 Self and Linguistic Self-Confidence (Group 6) did not turn out to be distinct factors. Additional examination using scree plot as well as parallel analysis simulations similarly supported one factor only (see Figure 1; scree plots for other groups are available in the online supplementary materials). As shown in Table 4, the observed correlation between the Ideal L2 Self and the Linguistic Self-Confidence scales was .80, whereas the latent correlation reached .90. These are problematically high magnitudes. This suggests that response to the Ideal L2 Self might be driven by belief in ability rather than an actual—ideal discrepancy. As for Group 5 (Ought-to L2 Self, Instrumentality—Promotion, and Instrumentality—Prevention), the results sug- gested two factors only. Table 6 presents the factor loadings for these two factors. The factor loading pattern suggests that the Ought-to L2 Self is not distinct from the

Figure 1 Scree plot of Group 6 (Ideal L2 Self, Linguistic Self-Confidence, Imagery Capacity, and Positive Changes of the Future L2 Self-Image). The results suggest that all these scales represent only one latent variable. these scales are not central to the L2MSS. Table 5 presents the EFA results. The scree plot and parallel analysis always agreed, showing that—with the exception of Group 5—the results for all groups indicated only one meaningful underlying variable. For Group 5, there were two factors, which is less than the three expected factors. As expected, the eigenvalue-over-1 rule was frequently prone to overdimensionalization (van der Eijk & Rose, 2015). One surprising aspect in these results is that the Ideal L2 Self and Linguistic Self-Confidence (Group 6) did not turn out to be distinct factors. Additional examination using scree plot as well as parallel analysis simulations similarly supported one factor only (see Figure 1; scree plots for other groups are available in the online supplementary materials). As shown in Table 4, the observed correlation between the Ideal L2 Self and the Linguistic Self-Confidence scales was .80, whereas the latent correlation reached .90. These are problematically high magnitudes. This suggests that response to the Ideal L2 Self might be driven by belief in ability rather than an actual—ideal discrepancy. As for Group 5 (Ought-to L2 Self, Instrumentality—Promotion, and Instrumentality—Prevention), the results sug- gested two factors only. Table 6 presents the factor loadings for these two factors. The factor loading pattern suggests that the Ought-to L2 Self is not distinct from the