To confirm if PCA was suitable, the Kaiser–Meyer–Olkin (KMO) value was set at ≥ 0.70 to indicate good sampling adequacy, and Bartlett’s Test of Sphericity was set at P < 0.001 to confirm highly significant correlations among the variables [ 43 , 44 ].
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Climate change awareness and risk perceptions in the coastal marine ecosystem of Palawan, Philippines.
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