The present study investigated knowledge, misconceptions, and lack of information about dyslexia among pre-service (PST) and in-service (IST) Spanish-speaking teachers in Spain and Peru. Two hundred and forty-six pre-service teachers and 267 in-service teachers completed the Knowledge and Beliefs about Developmental Dyslexia Scale (KBDDS). In-service teachers scored significantly higher on the total scale, and on the symptoms/diagnosis and general information subscales, than pre-service teachers. The percentages for misconceptions and lack of information ("do not know responses") were higher for PSTs than for ISTs on the general information subscale, the symptoms/diagnosis subscale, and the treatment subscale. Analyses of individual items were conducted to differentiate concepts that teachers did not know from misconceptions. In-service teacher self-efficacy, years of teaching experience, post-graduate training in dyslexia, and prior exposure to a child with dyslexia were positively related to knowledge about dyslexia. Implications for pre-service teacher training and professional development are discussed.

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The purpose of this study was to investigate the knowledge, misconceptions, and knowledge gaps of Peruvian pre-service teachers (PSTs) and in-service teachers (ISTs). To do so, 112 PSTs and 113 ISTs completed the Knowledge and Beliefs About Developmental Dyslexia Scale (KBDDS). Results show that ISTs scored significantly higher than PSTs. Moreover, misconceptions and lack of information were higher in PSTs. The most noteworthy misconceptions were that dyslexia is due to poor visual perception and that letter or word reversals are the most important criterion in the identification of dyslexia. Age, years of teaching experience, prior exposure to a child with dyslexia, and self-efficacy were positively correlated with knowledge about dyslexia in ISTs. Resumen El propósito de éste estudio ha sido investigar el conocimiento, las creencias erróneas y las lagunas de conocimiento de profesores Peruanos en formación (PF) y profesores en ejercicio (PE). Para ello, 112 PF y 113 PE completaron la Escala de Conocimientos y Creencias acerca de la Dislexia Evolutiva. Los resultados mostraron que los PE puntuaron significativemente más alto que los PF. Además, las creencias erróneas y las lagunas de conocimiento fueron más altas en los PF. Las creencias erróneas más destacadas fueron que la dislexia es debida a una pobre percepción visual y que las

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Introduction. The aims were twofold: a) to compare the Peruvian pre-service teachers (PSTs) and in-service teachers´(ISTs) knowledge, misconceptions and lack of knowledge about ADHD, and b) to analyse the differences in knowledge, misconceptions and lacks of knowledge between ISTs with and without experience about ADHD. Method. Two hundred sixty four teachers completed the Knowledge of Attention Deficit Disorder Scale (KADDS), the Index of Teaching Stress (ITS), and a socio-demographic questionnaire. Results. Results showed that ISTs had more correct answers on total scale, on general information and on treatment sub-scales than PSTs. The PSTs had more lacks of knowledge on total scale than ISTs. The ISTs with experience about ADHD had more teaching stress, higher scores on self-efficacy and more accurate knowledge on total scale and on each sub-scale. In addition, ISTs knowledge correlated with post-grade education and years of experience. Self-efficacy correlated with experience about ADHD and years of experience. Discussion. The results are discussed in relation to teacher training.