#5236 1 Page within 12 hrs Research Hypothesis

Filename: Error.docx Date: 2018-10-03 21:20 UTC Results of plagiarism analysis from 2018-10-03 21:21 UTC

91 matches from 15 sources, of which 15 are online sources.

PlagLevel: 65.2%

[0] (8 matches, 30.2%) from https://en.wikipedia.org/wiki/Type_I_error_rate [1] (8 matches, 37.2%) from https://web.ma.utexas.edu/users/mks/statmistakes/errortypes.html [2] (8 matches, 33.8%) from crsouza.com/category/accord-net/ [3] (7 matches, 28.4%) from https://everipedia.org/wiki/Type_I_and_type_II_errors/ [4] (8 matches, 28.1%) from https://courses.lumenlearning.com/boundl...s/chapter/hypothesis-testing-one-sample/ [5] (7 matches, 28.1%) from https://theintactone.wordpress.com/2018/04/12/brm-u3-topic-9-types-of-error/ [6] (8 matches, 27.9%) from mresearchmethodology.blogspot.com/2017/12/type-i-and-type-ii-errors.html [7] (8 matches, 25.4%) from https://tysilynsblog.wordpress.com/2017/06/02/the-fixer/ [8] (6 matches, 28.9%) from https://stats.stackexchange.com/question...-give-a-priori-a-threshhold-for-p-values [9] (5 matches, 24.1%) from https://www.researchgate.net/post/What_i...pre_and_post_multiple_observation_design

(+ 2 documents with identical matches) [12] (3 matches, 14.5%) from winaudit.org/guides/p-value/what-is-p-value-and-type-1-error.html [13] (3 matches, 12.8%) from https://quizlet.com/97781265/exercise-science-2100-flash-cards/ [14] (2 matches, 6.8%) from https://quizlet.com/110924439/exam-2-fin...dy-guide-marketing-research-flash-cards/

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=====================1/4====================== Hypothesis Testing

Tittle: Research Hypothesis and Testing Name: Institute: Date:

=====================2/4====================== Hypothesis Testing Research Hypothesis. To learn about the hypothesis making and knowing about type I error and type II error we must have create hypothesis and identify level of significance.[4] [0] [6] [7] ... Suppose we have 5% level of significance and hypothesis are: Null hypothesis: There is difference in lifespan when using the new treatment compared to the old one

Alternative hypothesis:[1] [2] [8] [12] ... There is no difference in lifespan when using the new treatment compared to the old one A type I error, also known as an error of the first kind, occurs when the null hypothesis (H0) is true, but is rejected.[2] [1] [0] [5] ... It is asserting something that is absent, a false hit.[0] [3] [4] [5] ... A Type I error occurs when we believe a falsehood.[4] [0] [3] [7] ... (Reid, 2013) A type II error, also known as an error of the second kind, occurs when the null hypothesis is false, but erroneously fails to be rejected.[9] [0] ... It is failing to assert what is present, a miss.[0] [3] [4] [5] ... A type II error may be compared with a so-called false negative (where an actual 'hit' was disregarded by the test and seen as a 'miss') in a test checking for a single condition with a definitive result of true or false.[0] [6] [9] ... A Type II error is committed when we fail to believe a truth.[7] [9] ... (Reid, 2013) Another example: A large clinical trial is carried out to compare a new medical treatment with a standard one.[1] [8] [2] The statistical analysis shows a statistically significant difference in lifespan when using the new treatment compared to the old one.[1] [2] [8] [12] ... But the increase in lifespan is at most three days, with average increase less than 24 hours, and with poor quality of life during the period of extended life.[1] [2] [8] [12] ... (Downie, 1965) Most people would not consider the improvement practically significant.[1] [2] [8] =====================3/4====================== Hypothesis Testing

To adjust the power of the test, we must always keep in mind that the larger the sample size, the more likely a hypothesis test will detect a small difference.[1] [2] Thus it is especially important to consider practical significance when sample size is large.[1] (Downie, 1965)

=====================4/4====================== Hypothesis Testing References Downie, N. M. & Heath, R. W. (1965). Basic Statistical Methods (2nd ed.). Harper & Row Publishers Reid, H. (2013, August). Introduction to Statistics. SAGE Publication.