The same phenomenon can be looked at from a number of perspectives simultaneously. In fact, some lifespan developmentalists use
 
 an eclectic approach
 
 , drawing on several perspectives simultaneously. Research in which the behavior of one or more participants in a study is measured as they age.
 What are the perspectives of lifespan development?
 
 We have considered six major perspectives on development—
 
 psychodynamic, behavioral, cognitive, humanistic, contextual, and evolutionary
 
 .
 What methods do researchers use to collect data on life span development?
 
 What methods do researchers use to collect data on life-span development?
 
 observation (in a lab or a naturalistic setting)
 
 , survey (questionnaire) or interview, standardized test, case study and physiological measures.
 What is the lifespan perspective on developmental psychology?
 
 The life span perspective
 
 conceptualizes human behavior as influenced by developmental processes across biological, historical, sociocultural, and psychological factors from conception
 
 to death (Lerner, 2002).
 What are the research methods used in lifespan psychology?
 
 Seven popular life‐span research methods include
 
 the case study, survey, observational, correlational, experimental, cross‐cultural, and participant observation methods
 
 .
 What are four assumptions of lifespan development?
 
 What are the four assumptions of the Lifespan Perspective? That development is:
 
 (1) lifelong, (2) multidimensional (many forces) and multi-directional (growth and decline)
 
 , (3) highly plastic, and (4) affected by multiple interacting forces.
 What is Baltes lifespan perspective?
 
 Baltes’ lifespan perspective emphasizes that
 
 development is lifelong, multidimensional, multidirectional, plastic, contextual, and multidisciplinary
 
 . … Lifespan development involves the exploration of biological, cognitive, and psychosocial changes and constancies that occur throughout the entire course of life.
 What is the only form of psychological research that can determine cause and effect?
 
 
 A controlled experiment
 
 is the only research method that can establish a cause and effect relationship.
 Which of the following are physiological measures used to collect data?
 
 Physiological measures can be used to collect data related to the body, such as
 
 heart rate, fMRI, EEG, CAT, breathing rate
 
 , etc. These types of data are useful because they are quantifiable and accurate.
 What are the various types of developmental research used?
 
 There are three types of developmental research designs:
 
 cross-sectional, longitudinal, and sequential
 
 .
 What are the six principles of the life span developmental approach?
 
 There are six key components to the life span perspective, including
 
 lifelong development, multidimensionality, multidirectionality, plasticity, multidisciplinary, and contextuality
 
 .
 Is traditional perspective development is lifelong?
 
 Life-Span Approach: Emphasizes developmental change throughout adulthood as well as childhood. – Development is
 
 Lifelong
 
 : In the lifespan perspective, early adulthood is not the endpoint of development; rather, no age period dominates development. …
 What are the 3 major issues in developmental psychology?
 
 Three issues pervade this study: (1)
 
 the relative impact of genes and experience on development
 
 , (2) whether development is best described as gradual and continuous or as a sequence of separate stages, and (3) whether personality traits remain stable or change over the life span.
 What two major types of research designs are used in developmental psychology?
 
 Much of the research conducted by developmental psychologists is quasi-experimental. Two commonly used designs include
 
 the cross-sectional design and the longitudinal design
 
 .
 Which is the best research method for developmental psychologists?
 
 To study changes in individuals over time, developmental psychologists use
 
 systematic observation
 
 , including naturalistic or structured observation; self-reports, which could be clinical interviews or structured observation; clinical or case study methods; and ethnography or participant observation.
 What type of research is concerned with understanding change over time?
 
 
 A longitudinal study
 
 can provide unique insight that might not be possible any other way. This method allows researchers to look at changes over time.
 
 