The results of our analysis revealed high agreement between healthprofessionals and preschool experts with respect to the relevance, clarity, simplicity, and ambiguity of the
items, suggesting strong content validity, thus suggesting that health care providers who use data from such a scale can be confident that variances in obtained scores are due to the latent construct. In addition, the data are sufficient to confirm the hypothesized latent
structure of the assessment instrument, in this case, preschool teachers’ self-efficacy