Chapter-11 Testing of Hypothesis: (Non-parametric Tests) Chapter-11: Testing of Hypothesis - (Non-parametric Tests) 2 11.1. Chi - square ( χ )Test / Distribution 2 11.1.1. Meaning of Chi - square ( χ )Test 2 11.1.2. Characteristics of Chi - square ( χ )Test 2 11.2. Types of Chi - square ( χ )Test / Distribution 2 11.2.1. Chi - square ( χ )Test for Population Variance 2 11.2.2. Chi - square ( χ )Test for Goodness-of-Fit 2 11.2.3. Chi - square ( χ )Test or Independence
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Hypothesis testing I Kevin Soo Outline • • • • Theory and the research process What is a hypothesis? Hypothesis testing Statistical models Theory and the research process Theory • A belief – Can be true or false – P (belief) • A proposed/possible explanation for something – ‘Some students do poorly at statistics because they have less exposure to mathematics’ – ‘Women don’t date me because I’m ugly’ – ‘Manchester United lost the Premier League because they struggled with injury
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DESCRIBE AND EVALUATE THE MULTI-STORE MODEL OF MEMORY (25 MARKS) The multi- store model of memory is an explanation to how memory processes work‚ we hear‚ see and feel many things but only a small number are remembered‚ the model was first introduced by Atkinson and Shiffrin in (1968)‚ whereby they explained tat the multi-store model of memory has 3 stages which is sensory memory‚ short-term memory and long-term memory‚ this information processing approach to Cognitive Psychology‚ describes the
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Describe and Evaluate the Multi-Store Model of Memory The multi-store model of memory (MSM) is an explanation of the process of memory. Richard Atkinson and Richard Shiffrin first illustrated the multi-store model‚ in 1968‚ it explains how we hear‚ see and feel many things but only a small number are remembered and other aren’t. There is strong evidence of three different stores suggesting that the basis of the MSM is reliable. However there has been some criticism of the MSM‚ most importantly
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Critically evaluate whether flexible working arrangements are beneficial for employers and employees? Flexible work options provides an alternative approache to getting work done through non traditional work hours‚ job structures ‚and locations. The availability of flexible work options grants an opportunity for individuals to mould their careers in order to optimise their work and personal commitments.As for organisation it promises an increase in productivity‚boost ‘employer of choice’‚reduce
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HYPOTHESIS TESTING WHAT IS THIS HYPOTHESIS???? • In simple words it means a mere assumption or supposition to be proved of disproved. • But‚ for a researcher it is a formal question that he intends to resolve. • Example: I assume that 1) under stress and anxiety a person goes into depression. 2) It leads to aggressive behaviour. Eg. : Students who get better counselling in a university will show a greater increase in creativity than students who were not counselled. • So‚ the hypothesis
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understanding of hypothesis testing. The textbook explained the aspects and steps of hypothesis testing in a legible fashion‚ while the video helped demonstrate a real-life application. I learned from the text that hypothesis testing is a “Procedure for deciding whether the outcome of a study (results from a sample) supports a particular theory or practical innovation (which is thought to apply to a population)” (Aron A.‚ Aron‚ E.‚ and Coups‚ 2011‚ p. 145). I also learned that hypothesis testing
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STEPS IN SCIENTIFIC RESEARCH: ARCHITECTURAL RESEARCH: AN INTERDISCIPLINARY REALITY Hypothesis is a tentative explanation that accounts for a set of facts and can be tested by further investigation. Generation of Research Hypothesis Research usually starts with a problem. Questions‚ objectives and Hypotheses provide a specific restatement and clarification of the problem statement/research question. In qualitative research‚ the research question may assume two forms: The grand tour
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the oldest continent is Ur. In Rogers’ reconstructions‚ however‚ Kaapvaal and Pilbara are placed far apart already in their Gondwana configuration‚ a reconstruction contradicted by later orogenic events and incompatible with the Vaalbara hypothesis.[3]
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good-genes and sexy-sons hypotheses focus on direct benefits associated with female choice. The good-genes hypothesis proposes that a female will choose to mate with males that they believe will produce better offspring. Typically this decision is based off a phenotypic trait that is an sign of higher genetic fitness‚ however sometimes these traits are not good indicators. The sexy-sons hypothesis is similar however it posits that females will choose the most attractive males to mate with so that those
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