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To calculate "attractiveness," a latent construct, the correlation matrix of a previous study [12] was used in a principal component analysis [24], where a linear combination of three indicators of attractiveness was identified to maximize the explained variance.
Since KOOS Pain and SF-36 BP measure a sufficiently similar construct, the correlation between these two measures should be strong and in the same direction.
Building up the rows from the underlying signals in this manner allowed us to construct the correlation patterns seen in Figure 4.
We hypothesised that: Since KOOS Pain and SF-36 BP measure a sufficiently similar construct, the correlation between these two measures should be strong and in the same direction.
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Internal consistency is one of the most commonly used indices of reliability that describes the extent to which a set of items in a test measure the same concept or construct the correlations between different items on the same test (inter-correlations of the items within the test) [ 29].
In constructing the correlation matrix quality control probesets and viral miRNA have also been correlated to mRNA for negative control.
Through constructing the correlations of NMR porosity and clay volume, total organic carbon (TOC) content, kerogen content and pyrite volumetric concentration, the pyrite and kerogen are finally regarded as dominant factors.
Secondly, we computed the Pearson correlation coefficient between the cRGMV across the 462 subjects to construct the interregional correlation matrix (N×N, where N is the number of gray matter regions; here N = 90).
X i and X q are then used to construct the combined correlation matrix in (10).
One criterion for adequate discriminant validity is that the square root of the AVE for each construct exceeds the correlation between the construct and other constructs in the research model [ 63].
According to Akin et al. (2009), discriminant validity could be assessed by comparing the square root of AVE of each construct to the correlation of the construct with the other constructs of the model.
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