Exemplary schools have at their core outstanding principals and teachers. This book enables school leaders to enhance teacher performance to move from problematic to good or better yet, from good to great. Serving as a reference tool, the authors identify 38 common challenges or opportunities to use their Individualized Intervention Strategy System (IISS). To most effectively correct any of these problematic attitudes or behaviors, leaders first assess the teacher’s stage of motivation and...

Se presentan los resultados y avances en las investigaciones sobre el origen del hombre americano, su antigüedad, las migraciones, el medio ambiente en el que se desarrolló, la megafauna y sus pinturas rupestres, entre otros temas.