The serious, probably devastating problems with which all cultures of the world are grappling are discussed, and the question of what sorts of scientific knowledge are needed to resolve these problems is considered. The knowledge now available in the behavioral…

Se destaca la importancia que tuvo la obra de Skinner en la aplicación del conocimiento psicológico a una diversidad de problemas como los de Ia educación, la salud y otros más, It is emphazised the importance of Skinner's works in…

The traditional concept of intelligence and its measurement are critically reviewed, stressing its logical and empirical deficiencies. An alternative definition of intelligence as varied and effective behavior is proposed and it is analyzed in terms of competences. Taking into account…

La crisis ambiental emerge como una crisis del conocimiento, lo que problematiza la lógica de las ciencias y el estatus teórico de las ciencias sociales, desvinculadas de las condiciones ecológicas de sustentabilidad de la sociedad. Cuestionando los marcos teóricos de…

Se determinaron los efectos de variar Ia frecuencia de reforzamiento y Ia duración del componente de extinción bajo un programa mixto intervalo al azar t s- extinción, vigente en una palanca, sobre las respuestas de observación en ratas. Presionar una…

A tecnologia de reatores anaeróbios para tratamento de esgoto sanitário tem sido amplamente desenvolvido no Brasil. Com diversas vantagens, tais como, baixos custos de construção e operação e a baixa produção de lodo, são uma alternativa muito atraente para mitigar…

In this study we analyze the meaning of symbols based on the psychological approach of Piaget. In addition, we would like to stimulate more research in this area. A symbol has sense when it has a nexus with a specific…

The present paper argues for the systematization of the established knowledge on eating behavior in Conditioning and in Motivation on the basis of the quantitative contiguities between some of its controlling variables. A variable in common to both types of…

El análisis paleoepidemiológico y paleodemográfico en las poblaciones mayas ha sido un tema que se ha tratado en forma separada por diversos investigadores, llegando a interpretaciones sesgadas por la escasa conjunción de estas áreas complementarias que abordan los estudios antropofísicos. Más aún, la…

Health studies in ancient populations is a very complex field. Many years passed by before anthropologists showed concern to know about health in ancient populations, and paleopathological studies of skeletal remains shifted from the traditional clinic orientation of individual cases to population and…