were many questions being asked during the investigation. One being how old is the ice mummy body. In other words what time period‚ or how long ago did he live in. Scientist started questioning thing‚ they discovered which led the scientists to create hypotheses. The discovery of Otzi had scientists estimating how old the mummy was and what types of minerals his tools were. One hypothesis was that the ice mummy lived around 2000 BC because his tools‚ especially the ax head‚ which looked to have contain
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According to the self-medication hypothesis (SMH; Khantzian‚1985). The individuals’ choice of a particular drug is not accidental or coincidental‚ but instead‚ a result of the individual’s psychological condition‚ as the drug of choice provides relief to the user specific to his or her condition. Specifically‚ addiction is hypothesized to function as a compensatory means to modulate effects and treat distressful psychological states‚ whereby individuals choose the drug that will most appropriately
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Test Anxiety is defined by Kondo (1996) as a double situation specific personality trait‚ consisting of two psychological components; emotional arousal and worry. Several studies have focused on test anxiety‚ as it is associated with lower test results and a higher amount of stress‚ so has attracted attention from researchers and teachers (Hembree 1998; Sarason and Sarason 1990) as cited in Kondo (1996). Most of the focus has been to reduce test anxiety by investigating the cognitive‚ affective
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The hypothesis for the Oil Absorbency Lab was rejected. My hypothesis was that if a person puts a sponge in materials “crude oil”‚ then it will absorb the most amount of oil. The data collected from this experiment rejected the hypothesis because it stated that the sponge would absorb the most oil‚ but the sponge did not absorb more oil than the rag. The rag and sponge’s ranges were for the first trial was 53.0g‚ the second trial was 51.0g‚ and the third trial was 46.0g and the rag. The rag and
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EXPERIMENTAL ESTIMATES OF EDUCATION PRODUCTION FUNCTIONS* ALAN B. KRUEGER This paper analyzes data on 11‚600 students and their teachers who were randomly assigned to different size classes from kindergarten through third grade. Statistical methods are used to adjust for nonrandom attrition and transitions between classes. The main conclusions are (1) on average‚ performance on standardized tests increases by four percentile points the first year students attend small classes; (2) the test score
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The dopamine hypothesis evolved from animal studies conducted in the 1960s showing that neuroleptic drugs blocked dopamine receptors in the brain. An article by van Rossum published in 1966 is often cited as the first expression of the dopamine theory of schizophrenia‚ but in fact‚ the article concerned only the mode of action of neuroleptic drugs. It stated: “The hypothesis is therefore put forward that dopamine receptor blockade is an important factor in themode of action of neuroleptic drugs
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Hypothesis testing using the binomial distribution Chapter assessment 1. Sweets called “Scruffies” are sold in packets of 18. Scruffies come in a variety of colours‚ and market research shows that red is the most popular. Scruffies are packed randomly‚ and on average 25% are red. (i) Find the probability that a packet contains no more than 6 red Scruffies. [2] (ii) Find the probability that a packet contains exactly 4 red Scruffies. [2] Because of a fault in the packing machine
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development of modern humans. The report discusses the most logical theories. In my view‚ the multi-region hypothesis is the most logical theory because it is better to prove facts of evolution. According to the multi-region hypothesis‚ the focus is on H. erectus‚ leaving Africa back and forth 2 million years back and developing into modern humanity. The focal point of the African hypothesis states that Homo sapiens originated through the evolution of H. erectus in Africa and then migrated to other
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Euna Chawatama Assignment 1.1 13 August 2010 Word Count: 434 Describe what your role‚ responsibilities and boundaries would be as a teacher in terms of the teaching/training cycle. The main role of a tutor is to identify initial assessment needs and the abilities of the learners. As a teacher should plan‚ design and preparing the environment‚ suitable delivery resources and handouts. Communicating in such a way that all learners have the confidence to discuss openly‚ the subject they
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Cognitive approach The cognitive approach focuses on the way information is processed by humans. It looks at how we as individuals treat information and how it leads to responses. Cognitive psychologists study internal processes such as attention‚ language‚ memory‚ thinking and perception. The main assumption of this approach is that in when information is received it is then processed by the brain and this processing directs how we as individuals behave or justify why we behave the way we
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