What do you understand by the term “Lancefield groups”? History In the early 1930’s Rebecca Lancefield recognized the importance of serological tests for the identification of organisms. The system is based on specific antibody agglutination reactions with cell wall carbohydrate antigens (C polysaccharides) extracted from the streptococci. Lancefield also showed that further sub division of group A into specific serological types was possible using type-specific M (protein) antigens. The groups
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Title : What do you understand by the term globalization? Why has interest in globalization intensified in recent years? Introduction If searching on Google website and type the word "Globalization"‚ just 0.22 second you will receive a substantial number of nearly 24 million results. This shows that "globalization" is a word being most mentioned in our world today. Globalization has been defined with numerous and widely differing meanings dating back to 1870 as "economic integration through
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Q.1) what do you understand by social groups? (Define‚ describe and discuss) Ans.- “A group is a set of people engaged in frequent interaction; they identify with one another; they are defined by others as a group’ they share values‚ beliefs and norms about areas of common interest; they define themselves as a group; they come together to work on common tasks and for agreed purposes” Any physical collection of people regardless of the size who share a common interest and works
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The term least-cost solution does not describe one specific principle in economics. Least-cost solution covers a wide diversity of economical topics that help form an ultimate solution. The term can be introduced in the context of a firms aim and objectives e.g. "profit maximization". In many cases firms may have other objectives such as providing quality to customers and thus may adopt techniques such as total quality management (TQM). Organizations such as Banks often prefer to focus on providing
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What do you understand by library management software? Computerisation in Libraries The library is one of the oldest types of institutions in our society. It is in the midst of rapid change in recent times. The changes mirror those going on in other institutions and also in the society as a whole. Most modern libraries move beyond their traditional role as custodians of books and integrate new methods of storage and transmission of information. Modern libraries must link the users with the
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Warren Mayer The role of learning in personality development Personality theorists have long argued over the nature of personality in terms of how it is developed and how we come to understand the factors that influence said development. Numerous researchers and scientists have proposed theories and hypotheses in order to attempt to explain and elaborate on the role of learning in particular regarding the development of an individuals personality‚ however it must be noted prior to the continuation
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‘Cognitive development is the development of intelligence‚ conscious thought and problem-solving ability that begins in infancy.’ Jean Piaget’s (1896 - 1980) theory of cognitive development during childhood was regarded as the major paradigm in which to understand the complex procedure of mental progression through different levels of thinking and understanding. Piaget’s theory of cognitive development contains 4 stages. The first of Piaget’s stages of cognitive development is the "sensory-motor
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information from around them‚ using the data to develop perception and thinking skills. Cognitive development refers to how a person perceives‚ thinks‚ and gains understanding of his or her world through the interaction of genetic and learned factors. Among the areas of cognitive development are information processing‚ intelligence ‚ reasoning‚ language development ‚ and memory. Historically‚ the cognitive development of children has been studied in a variety of ways. The oldest is through intelligence
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Abstract This report looks at cognitive development of an adolescent through the use of Piaget’s pendulum task‚ and aims to assess the level of cognitive development with comparison to literature in the field and furthermore provide suggestions of how a teacher could enhance the subjects learning in one key learning area. Pieget’s studies have been based around cognitive development. The development has 4 major stages. Each stage enables the person to develop ways of knowing. This report concentrates
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Directions for “Cognitive Development” 1. Access the textbook website: (the link is in ANGEL) 2. Click on the [->0]PsychSim Tutorials[->1] link 3. In the left column‚ find [->2]Chapter 04 |“Psychsim5: Cognitive Development” and click on this link.Click on “Cognitive Development” and begin the tutorial. Answer the questions and put in drop box by 12 pm Monday.PsychSim 5: COGNITIVE DEVELOPMENTName: Leslie DiazThis activity describes Piaget’s theory of the growth of intelligence
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