Reliability and Validity are important aspects of research in the human services field. Without reliability and validity researchers results would be useless. This paper will define the types of reliability and validity and give examples of each. Examples of a data collection method and data collection instruments used in human services and managerial research will be given. This paper will look into why it is important to ensure that these data collection methods and instruments are both reliable
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Discuss the theories of crime: When convicted murderers were asked why they committed their crimes‚ Norman Smith said he acted out of boredom when he shot his victim. Other murderers have said they murdered for a challenge. There are three theories of crime which are biological‚ psychodynamic and behaviourist. During the Victorian time‚ they believed that it was possible to spot a criminal by their features. Lombroso suggested that criminals form a separate species which is more primitive to humans;
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instrument for evaluation need to be accurate‚ objective‚ practical and reliable. Further they should be able to discriminate between good and bad performers and have a uniform difficulty level. This module explains each of these terms and describes how they can be measured. Module specifically tou ched on six measures of test quality‚ objectivity‚ practicability‚ reliability‚ validity‚ difficulty level and discrimination index. It also talks about mathematical measures like mean‚ median‚ mode‚ standard
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Reliability‚ Validity and Accuracy - what do they mean? (To be read in conjunction with an article originally published in Curriculum Support‚ Science‚ 2001 Vol. 6 No. 3) Reliability and validity are two terms that continue to cause problems for teachers and students. Students in Stage 4/5 are required to evaluate evidence for reliability and validity. In Stage 6 they are required to discuss and explain how they would improve the validity and reliability of a first-hand investigation. They could
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K3D210- How current theories of play can inform practice There are many theories into how children develop and how they learn. These are extremely important as they can be applied to modern strategies used for child behaviours. Presently‚ learning theories are placed into 3 categories: Behaviourist approaches – children learn as a result of what they see and what happens to them. Constructivist approaches – children learn actively rather than passively. Information processing- children learn
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Developmental Theories There are many theories on how a human develops. Most babies follow a certain pattern of development but the controversy is which person ’s developmental pattern of development is correct? Erik Erickson‚ Sigmund Freud and Jean Piaget ’s developmental theories are similar. Each of the theories goes through a human ’s development chronologically‚ giving a guideline of when certain developments happen. For example when a child is supposed to walk or when a child is going to speak
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Reliability and Validity Researchers tend to be peculiar with how they conduct their study and which study method they choose to implement on their subjects. When various tools are examined for measure in behavioral research‚ researchers tend to prefer high validity and reliability (Rosnow & Rosenthal‚ 2008). To understand this concept‚ one must comprehend the meaning and the difference between reliability and validity and how this applies to human services research. Without the full knowledge
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Reliability and Validity Reliability and validity are important with any kind of research. Without them research and their results would be useless. This paper will define the types of reliability and validity as well as give examples of each. Both the data collection methods and the data collection instruments used in human services research will also be given. This paper will also look into why it is important to ensure that data collection methods as well as the instruments are reliable and
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Motivation theories can be classified broadly into two different perspectives: Content and Process theories. Content Theories deal with “what” motivates people and it is concerned with individual needs and goals. Maslow‚ Alderfer‚ Herzberg and McCelland studied motivation from a “content” perspective. Process Theories deal with the “process” of motivation and is concerned with “how” motivation occurs. Vroom‚ Porter & Lawler‚ Adams and Locke studied motivation from a “process” perspective. Process
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THEORIES OF HOW CHILDREN LEARN LANGUAGE ACQUISITION’ ASSESSMENT 03B/4 PART 4 TABLE OF CONTENTS INTRODUCTION TO LANGUAGE AND COMMUNICATION 2 MAIN STAGES OF LANGUAGE DEVELOPMENT 5 NURTURE‚ OPERANT CONDITIONING AND LEARNING THEORY 9 NATURE/NATIVIST THEORY 13 PIAGET’S COGNITIVE THEORY 16 VYGOTSKY AND BRUNER’S COGNITIVE THEORIES 19 CULTURAL RELATIVITY 24 FACTORS THAT AFFECT LANGUAGE DEVELOPMENT 25 HOW ADULTS CAN PROMOTE LANGUAGE DEVELOPMENT 28 RELATIONSHIP BETWEEN LANGUAGE AND COGNITIVE
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