BACKGROUND: Advanced interventions to enhance the mental health literacy (MHL) of educational professionals are now available, though their effectiveness varies, likely due to contextual differences. To adapt these interventions for use in other countries, a systematic and tailored approach is required …

From the literature three types of predictors for factor scores are available. These are characterized by the constraints: linear, linear conditionally unbiased, and linear correlation preserving. Each of these constraints generates a class of predictors. Best predictors are defined in terms of L?wner's …