Costa Rica (10) Research (9) Investigación (9) Education (7) Educación (7) Science (6) Ciencias (6) Datos (6) sciences (6) Preschool teachers (5) Elementary school teachers (5) Profesores de enseñanza primaria (5) Profesores de enseñanza preescolar (5) Estudio (5) Teaching (4) Futures (3) Women college students (3) Technology (3) Sowing (3) Social sciences (3) Social action (3) Sampling (3) Production (Economic theory) (3) Plants (3) Nature (3) Industrial productivity (3) Grapes (3) Factor analysis (3) Evaluation (3) Emotions (3)