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Zustand: Gut. VII; 326 S.; Abb. Umschl. berieben u. mit kl. Läsuren. - Who Are the Aged? - The number of old people - Life expectancy - Where old people live - Income - Health - Biological and Environmental Factors - Biological factors - Environmental factors - Psychological and Social Factors in Longevity and Survival - Psychological factors - Social factors - Sexuality and Sexual Relations - The myth of the sexless aged - Sexual waning - Limiting factors in sexual fulfillment - Sexual aging in perspective - Turning Inward - Ego development - Disengagement - Personality changes -Social forces - Changes in sex roles - Simple Rigidity - More than one kind of rigidity - Rigidity is related to other functions - Multidimensional Rigidity - Three rigidities and I.Q. - Five rigidities, I.Q., and speed Speed and problem difficulty - Longitudinal research - Personality and Cognition in Cautious Behavior - Many contexts and forms of cautiousness - Structure and direction - Factors related to cautiousness - More than one kind of cautiousness? - Cautiousness in Decision - Risk of gain with chance of loss - Reluctance to act versus cautiousness - Practical situations and consequences - Contact with the Physical Environment - Seeing - Hearing - Taste and smell - Pain - Touch - Processing Sense Information - Sequential integration - Temporal integration of nonsequential information - Spatial integration - Anoxia, another model - Compensatory adjustments - Slow Response to Environmental Stimulation - Input and peripheral mechanisms - Central mechanisms - Psychophsiological correlates - Complex stimuli and responses - Just how important is response slowing? - Intelligence - What the test measures - Age decline - Age-sensitive and age-insensitive measures - Organization of abilities - Initial and later levels of ability - Cross-sectional and longitudinal studies - Biological mechanisms - Problem Solving - Cognitive factors - Abstract and concrete thought -Inflexibility - Redundancy - Order in the search for information - Sex differences - Creativity - Learning and Performance - Stimulus pacing - Motivation - Task meaningfulness - Aids and Types of Learning - Aids - Types - Memory Theory - Relationship between learning and memory - More than one mechanism of memory? - Phases of memory - Retrieving Memories - Utilization of memory - Old memories - Clinical research - Research Methods - Age and culture confounded - Age and time of measurement confounded - Cohort and time of measurement confounded - Interpretation of the confounds - Operational and Conceptual Issues in Research - Longitudinal studies - Sampling problems - Gradients - Age, an independent variable - Test usefulness - Describing age group differences. ISBN 0826114407 Sprache: Deutsch Gewicht in Gramm: 550 Originalleinen mit Schutzumschlag.

Gr.-8°, Pp. 3. ed. XXVI, 390 S. Ill., graph. Darst. The revised edition of this practical, hands-on book discusses the launch vehicles in use today throughout the world, and includes the latest details on advanced systems being developed, such as electric and nuclear propulsion. The author covers the fundamentals, from the basic principles of rocket propulsion and vehicle dynamics through the theory and practice of liquid and solid propellant motors, to new and future developments. He provides a serious exposition of the principles and practice of rocket propulsion, from the point of view of the user who is not an engineering specialist. PB2-2 9783540692027 Sprache: Englisch Gewicht in Gramm: 2000.