Behavior Modification

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

A lo largo de dos cartas dirigidas a un juez, un joven y aparentemente exitoso asesor bancario desgrana sus inquietudes y desvelos, la amargura que se oculta tras una fachada de triunfo social. Silva denuncia el sentimiento de estafa vital que asalta a muchas personas víctimas del modo de vida occidental. Una novela aparentemente sencilla, pero de indudable valor testimonial.

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

This beginner's guide offers a first glimpse into the natural world of amphibians. This addition to the acclaimed About... series uses simple, easy-to-understand language to teach younger children what amphibians are, how they look, how they move, what they eat, and where they live. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to a variety of amphibians, from frogs and toads to salamanders and more. An afterword provides details on the animals featured and inspires readers to learn more.

Simple text and photographs describe dragonflies, including their physical characteristics, behavior, and life cycle.