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Introduction We are focusing on "quantitative analysis" The general idea is to summarize and analyze data so that it is useful for decision-making We do this by calculating "measures of central tendency" and by looking for relationships (We will NOT cover formal tests of hypotheses) Primary vs. secondary data sources Data on uses Remember there is variability among samples- they might seem to come from different populations but they may not. ~ :q;M }ARv=vc[NHev]UB E1Gn ?zE. 5. @ n ? " With respect to use of research methodology, quantitative approach (78%) is popular in user studies followed by mixed methods (10%), qualitative (8%), and multimethod (4%). (n1 0?N) N!/(n1!n2! Activate your 30 day free trialto continue reading. Walker, Glenn A., and Jack Shostak. 8p" O . R $ i4N5y } R $ `N%L B RX R $ M>3O'2 X R $ Clipping is a handy way to collect important slides you want to go back to later. Clearly, m n1 n2, so ltmgt ltn1gt - ltn2gt N( p, So, if p q , ltmgt 0 so, ltxgt ltmgtl 0, Question 3 What is the dispersion (or variance), That is, what is the spread in n1 values about, So, we first need to calculate the quantity, Use a similar trick as we did before note, After algebra (in the book) using p q 1, we, So, finally, using lt(?n1)2gt lt(n1)2gt - (ltn1gt)2, This is the dispersion or variance of the, The root mean square (rms) deviation from the, (?n1) ? Errors Type I error Claiming a difference between two samples when in fact there is none. Even if its Macroscopic parameters, Section 1.1 Elementary Statistical Concepts, Some math preliminaries ( methods) for the next, To treat statistical physics problems, we must, Keep in mind Whenever we want to describe a. Looks like youve clipped this slide to already. Statistics by Statistical Research and Training Center Philippine Statistical Association , Inc. (Power point presentation on the different concepts of Statistics) Elementary Statistics by Yonardo A. Gabuyo et. Types of data Continuous data Theoretically infinite possible values (within physiologic limits) , including fractional values Height, age, weight Can be interval Interval between measures has meaning. Blackwell Scientific Publications, Oxford. The statistical parameters used to PSYCH 625 MENTOR Introduction Education--psych625mentor.com, - FOR MORE CLASSES VISIT www.psych625mentor.com PSYCH 625 Assignment Week 1 Descriptive and Inferential Statistics Worksheet (New Syllabus) PSYCH 625 Assignment Week 2 Probability and Statistical Analysis Worksheet (New Syllabus) PSYCH 625 Assignment Week 3 Identifying Statistical Tests in the Literature Worksheet (New Syllabus) PSYCH 625 Assignment Week 4 Comparing Means Worksheet (New Syllabus) PSYCH 625 Assignment Week 5 Correlation Worksheet (New Syllabus) PSYCH 625 Assignment Week 6 Chi-Square Worksheet (New Syllabus), - Chapter 1: Introduction Project Management Summer 2014/2015 Dr. Nouh Alhindawi Department of Software Engineering Jordan University of Science and Technology. - Chapter 15: Likelihood, Bayesian, and Decision Theory AMS 572 Group Members Yen-hsiu Chen, Valencia Joseph, Lola Ojo, Andrea Roberson, Dave Roelfs, - Chapter 1 Section 1 Introduction to the Practice of Statistics. Click here to review the details. As N increases, the mean value increases ? PowerShow.com is a leading presentation sharing website. Use of emergent design utilizing constant comparison and revision. The unit staff provide advice about what to do and how to do it as well as . course overview course, Introduction to Statistical Computing in Clinical Research - . Activate your 30 day free trialto unlock unlimited reading. 4. 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T value = difference between means standard error of difference T value then looked up in Table to determine significance, Paired T Tests Uses the change before and after intervention in a single individual Reduces the degree of variability between the groups Given the same number of patients, has greater power to detect a difference between groups. You can read the details below. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. strongly agree, agree, neither agree or disagree, etc. ! " Clinical Research Methods - . RESEARCH (PART 1 Cathy Walker. You might even have a presentation youd like to share with others. CrystalGraphics 3D Character Slides for PowerPoint, - CrystalGraphics 3D Character Slides for PowerPoint, - Beautifully designed chart and diagram s for PowerPoint with visually stunning graphics and animation effects. The Statistics and Methods Core supports CCPR research and training by providing expertise in the choice, development, and implementation of statistical methodology. With so many measurements, simply looking at the data fails to provide an informative account. Teaching Assistants: Katie Tranbarger & Scott Spicer, Y or unravel reasons/causes of - MAS1401 Statistical Methods An Introduction to Statistical Methods used in the Agricultural and Biological Sciences Lecturer: Dr David Walshaw School of Mathematics Statistics 202: Statistical Aspects of Data Mining, - Statistics 202: Statistical Aspects of Data Mining Professor David Mease Tuesday, Thursday 9:00-10:15 AM Terman 156 Lecture 13 = Finish Chapter 5 and Chapter 8, - Title: CHAPTER 6: LINEAR PROGRAMMING Author: chen_zhimin Last modified by: user Created Date: 10/20/2004 1:00:08 PM Document presentation format. For example, tables or graphs are used to organize data, and descriptive values such as the average score are used to summarize data. Systematic Random Sampling is a method of probability sampling in which the defined target population is ordered and the sample is selected according to position using a skip interval.. When comparing two samples, we usually cannot be sure which is going to be be better. Is the most common value More frequently used to describe the distribution of data Uni-modal, bi-modal, etc. Activate your 30 day free trialto continue reading. Click here to review the details. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. Hidden error because cant be detected without a proper power analysis. Research, Types and objectives of research. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. They are all artistically enhanced with visually stunning color, shadow and lighting effects. Forget the drunk, lets get back to Physics! ` / 0 D A r i a l G r a n d e 0 P P \, O0 D L u c i d a G r a n d e 0 P P \, O0 @ . Now customize the name of a clipboard to store your clips. Test about a slope. Explanatory & Response Variable in Statistics A quick guide for early career researchers! Usually used for 3 or more samples. 63^*6oFhdBXP6mkw P_(axEknr_F.VpH^oEB~,xF.Yxl8goKNst=vq~A($rVqg$rQ/$K7v-yG_I/G?WyOKTk3QyIYzp-V^XtwR>sgZa~'C]A|#Ho52;ndYF{Z'#*h 0t`s?gai4 VUsB9. Used with nominal data (better/ worse; dead/alive) If there is a substantial difference between observed and expected, then it is likely that the null hypothesis is rejected. Applications of Statistics in Research Bandit Thinkhamrop, Ph.D. (Statistics) Department of Biostatistics and Demography Faculty of Public Health Khon Kaen University. Do not sell or share my personal information, 1. Document presentation format: On-screen Show Company: SIMS, UC Berkeley Other titles: Times New Roman Book Antiqua Wingdings pvf-112000 Introduction to Statistical Analysis Approximate (!) Tap here to review the details. Comparative descriptive survey research design was employed to answer the research questions raised. Talk about Probabilities Average Properties, We are NOT concerned with the detailed behavior, An Isolated System is in Equilibrium when its, But, note! NOTE that lt(?u)2gt 0 if only if ui u for, It can easily be shown that, lt(?u)2gt 0, or, We could also define the nth moment of P(u) about, This is rarely used beyond n 2. 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Almost never, NOTE A knowledge of the probability distribution, In order to uniquely determine a distribution, Also well discuss a few math tricks for doing, The probability in N steps of making n1 to the, p the probability of a step to the right, q 1, (p q)N ? InternImage: Exploring Large-Scale Vision Foundation Models with Deformable C caissonsdisease-141212190240-conversion-gate01.pdf, GED260 Colorado Christian University Definition of Drug Addiction Paper.pdf, WTSFest 2023 - Data Storytelling, Lazarina Stoy. Free access to premium services like Tuneln, Mubi and more. For the, Again note that ltn1gt Np. Statistical methods in medical research. Many of them are also animated. For quantitative data, you can use statistical analysis methods to test relationships between variables. (Ensemble the French word for assembly). This can be easily generalized to 2 dimensions. Statistical methods assist in classification in four ways: in devising probability models for data and classes so that probable classifications for a given set of data can be identified; in developing tests of validity of particular classes produced by a classification scheme; in comparing different classification schemes for effectiveness; and 1994. page 99 There were statistically significant different The goal of statistics is to help researchers organize and interpret the data. STATISTICAL ANALYSIS Dr. Shamanthakamani Narendran M.D. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. ! " Clipping is a handy way to collect important slides you want to go back to later. Test to Compare Two Population Variances. And, again, its all free. Looks like youve clipped this slide to already. The independent variable is often seen as influencing, directly or indirectly, the dependent variable. supported by the institute for clinical and translational, Practical Applications of Statistical Methods in the Clinical Laboratory - . Research & Expertise - Missing Data & Observational Data Modeling Methods - Record Linkage & Machine Learning Methods BIOS:6610 STATISTICAL METHODS IN CLINICAL TRIALS - . - Chapter 10: Inference from Small Samples Introduction When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. (Pead), Ph.D. (Yoga Science) R E S E A R C H M E T H O D S. Our new CrystalGraphics Chart and Diagram Slides for PowerPoint is a collection of over 1000 impressively designed data-driven chart and editable diagram s guaranteed to impress any audience. ? 2022 in a Nutshell Reminiscing the year when opportunities were seized and feats were achieved! Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Statistical methods rcm business 2.3k views 34 slides Basics stat ppt-types of data Farhana Shaheen 23.3k views 35 slides Introduction to statistics akbhanj 31k views 18 slides Spss an introduction Suresh Thengumpallil 12.1k views 25 slides Data Ashutosh Mittal 26.8k views 45 slides 1.2 types of data Long Beach City College 1.8k views Chapter 1 Introduction. biostatistics 212 lecture 1. today. Non-parametric Tests Testing proportions (Pearsons) Chi-Squared (2) Test Fishers Exact Test Testing ordinal variables Mann Whiney U Test Kruskal-Wallis One-way ANOVA Testing Ordinal Paired Variables Sign Test Wilcoxon Rank Sum Test. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Sample Size Calculation Depends on: Level of Type I error: 0.05 typical Level of Type II error: 0.20 typical One sided vs two sided: nearly always two Inherent variability of population Usually estimated from preliminary data The difference that would be meaningful between the two assessment arms. When designing a study, one needs to determine how large a study is needed. p. The, the lamp post is at x 0. Analysis of Variance Used to determine if two or more samples are from the same population- the null hypothesis. - Chapter 9. Overview. Standard Error Significance: Is the basis of confidence intervals A 95% confidence interval is defined by Sample mean (or proportion) 1.96 X standard error Since standard error is inversely related to the sample size: The larger the study (sample size), the smaller the confidence intervals and the greater the precision of the estimate. Power is the ability of a study to avoid a Type II error. It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. u " Learn faster and smarter from top experts, Download to take your learnings offline and on the go. So the probability, which is probably the most elementary (discrete), As another example, suppose that p q , N, The Binomial Distribution is only one example of, Most of the following results are valid for ANY, Let u a variable which can take on any of M, with probabilities P(u1),P(u2),P(u3),..,P(uM-1),P, The Mean (average) value of u is defined as, S1 P(u1) P(u2) P(u3) .. P(uM-1) P(uM), For a properly normalized distribution, S1. Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. Free access to premium services like Tuneln, Mubi and more. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. Tap here to review the details. Well convert it to an HTML5 slideshow that includes all the media types youve already added: audio, video, music, pictures, animations and transition effects. Clinical Investigation and Outcomes Research Statistical Issues in Designing Clinical Research - . If a confidence interval range is very wide, then plausible value might range from very low to very high. 3. Activate your 30 day free trialto unlock unlimited reading. Data types Summarizing data using descriptive statistics Standard error Confidence Intervals. or the 2nd Moment of P(u) about the mean. The P value used is an arbitrary value P value of 0.05 equals 1 in 20 chance P value of 0.01 equals 1 in 100 chance P value of 0.001 equals 1 in 1000 chance. Rex Book Store ; Assessment of Learning I and II by Dr. Rosita De Guzman-Santos, LORIMAR Publishing, 2007 Ed. What is the mean displacement, ltxgt ltmgtl? data analysis techniques and statistical softwares. ADVANCED STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . Here, you can use descriptive statistics tools to summarize the data. Large data sets (Corpora) of natural languages allow using statistical methods that were not possible before Brown Corpus includes about 1000000 words with POS Uploaded on Jan 02, 2020 Kimberly A Buchanan + Follow probabilities 5 chance estimating probabilities lexical categories large data sets flies 21 44 0 uji hipotesis. To quantitatively introduce probability concepts, In its simplest, idealized form, the random walk, as in the figure above A drunk starts out from, Each step he takes is of equal length l. The man, direction of each step (right or left) is, preceding step. a large study dooms you to statistical significance Anonymous Statistician. Do not sell or share my personal information. - PowerPoint PPT presentation Number of Views: 637 Avg rating:3.0/5.0 Slides: 67 Provided by: Charles7 Looks like youve clipped this slide to already. The application of statistical methods extracts information from . 10. charles e. mcculloch division of biostatistics. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Four hundred and twenty nine participants were selected randomly using stratified sampling followed by lottery method. We've updated our privacy policy. We've updated our privacy policy. You can read the details below. We had, m n1 n2 2n1 N. So, ltmgt 2ltn1gt, ?m m - ltmgt (2n1 N) (2ltn1gt - N) 2(n1, (?m)2 4(?n1)2. }>@X'- (W? vORv[K? Activate your 30 day free trialto continue reading. Sample Median Used to indicate the average in a skewed population Often reported with the mean If the mean and the median are the same, sample is normally distributed. After N steps, the particle is at position, Let n1 of steps to the right (of N), n2, Thus, if N is odd, so is m and if N is even, so, successive steps are statistically independent, Let p the probability of stepping to the right, Since each step is statistically independent, the, But, also, clearly, there are MANY different, The of distinct possibilities is the SAME as, 1st place Can be occupied any one of N ways, 2nd place Can be occupied any one of N - 1, 3rd place Can be occupied any one of N - 2, (N 1)th place Can be occupied only 2 ways, ? The SlideShare family just got bigger. 2. In fact, statistical methods dominate the scientific research as they include planning, designing, collecting data, analyzing, drawing meaningful interpretation and reporting of research findings. The SlideShare family just got bigger. The PowerPoint PPT presentation: "Chapter 1: Introduction to Statistical Methods" is the property of its rightful owner. All available places can be occupied in, Note However! Then you can share it with your target audience as well as PowerShow.coms millions of monthly visitors. And theyre ready for you to use in your PowerPoint presentations the moment you need them. You can read the details below. Types of Data Discrete Data-limited number of choices Binary: two choices (yes/no) Dead or alive Disease-free or not Categorical: more than two choices, not ordered Race Age group Ordinal: more than two choices, ordered Stages of a cancer Likert scale for response E.G. (Pearsons) Chi-Squared (2) Test Used to compare observed proportions of an event compared to expected. Research Scholar - HNB Garhwal Central University, Srinagar, Uttarakhand. - Introduction linkage analysis, Genetic markers, mapping functions Lecture 3 Background Readings: Chapter 5 & 6 (190-193) of An introduction to Genetics, Griffiths et Chapter 15: Likelihood, Bayesian, and Decision Theory. N atoms, each with magnetic moment . ziad taib biostatistics astrazeneca february 22, 2012. types of data. They, So, its very important to spend some time on. Many studies are completed without proper estimate of appropriate study size. Basics stat ppt-types of data Farhana Shaheen 23.3k views Null hypothesis AND ALTERNAT HYPOTHESIS ADESH MEDICAL COLLEGE 53.5k views Presentation of data Ruby Ocenar 256k views Research Design gaurav22 401.8k views Standard deviation P. G. Department of Botany, Berhampur University 82.6k views Chi squared test Dhruv Patel 6.4k views Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data.  4 R $ KT XAYM( "n R $ SJqO& U "n R $ 2N[q Test to compare several means. By accepting, you agree to the updated privacy policy. biostatistics 212. today. (n1, Question 1 What is the mean number of steps to, We can do this sum by looking it up in a table OR. Do not sell or share my personal information, 1. # $ % & ' ( ) * +KRs8@f Pdk )px!` mC#07jd}c^ ! - CHAPTER 3 Review of Statistics INTRODUCTION The creation of histograms and probability distributions from empirical data. Statistical methods are essential for scientific research. Clipping is a handy way to collect important slides you want to go back to later. P Values and Confidence Intervals P values provide less information than confidence intervals. Confidence Intervals May be used to assess a single point estimate such as mean or proportion. diana trandabat 2013-2014. the sentence as a string of words e.g i saw the lady with. Princy Francis M Data presentation is an extension of data cleaning, as it involves arranging the data for easy analysis. Tap here to review the details. Standard Error Standard error of the mean Standard deviation / square root of (sample size) (if sample greater than 60) Standard error of the proportion Square root of (proportion X 1 - proportion) / n) Important: dependent on sample size Larger the sample, the smaller the standard error. Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more. Clipping is a handy way to collect important slides you want to go back to later. The SlideShare family just got bigger. We've encountered a problem, please try again. Each step is of length, axis must be x ml where m a positive or a, Question After N steps, what is the probability. The sample is chosen by selecting a random starting point and then picking every i th element in succession from the sampling frame. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. The Probability of an occurrence of a particular, Example In throwing a pair of dice, we can give, Note that this probability depends strongly on. I am looking for Editing/ Proofreading services for my manuscript Most commonly used in assessing the estimate of the difference between two groups. / 0 1 2 3 4 5 6 7 8 9 : ; = > ? Free access to premium services like Tuneln, Mubi and more. christopher s. coffey. @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f h i j k l m n o p q r s t u v w x y z { | } ~  Fn KT XAYM( JFIF f f Exif MM * b j( 1 r2 i f f Adobe Photoshop CS Macintosh 2008:11:28 11:45:55 &( . Chapter 2 - Summary. The decision-maker for desk-rejecting a manuscript, Acceptable standard for English language quality, Retraction of articles and how authors should handle it. Univariate, bivariate analysis, hypothesis testing, chi square, Medical Statistics Part-I:Descriptive statistics, Choosing the Right Statistical Techniques, Basics of Educational Statistics (Inferential statistics), Statistics in research by dr. sudhir sahu, Basics of Educational Statistics (Descriptive statistics), CABT Math 8 measures of central tendency and dispersion, SHAYA'A OTHMAN MANAGEMENT & RESEARCH METHODOLOGY, STATISTICAL PROCEDURES (Discriptive Statistics).pptx, Operation research history and overview application limitation, Use of quantitative techniques in economics. So, the of distinct ways in which N objects, This is the same as the of distinct ways of, The probability WN(n1) of taking N steps, with, This probability distribution is called the, This is because the Binomial Expansion has the, We really want the probability PN(m) that x ml, PN(m) WN(n1). If two samples, is the same as the T test. allen s chapter 7 j&m s chapters 8 and 12. statistical methods. ? (n1 0?N) N!/(n1! Each has, A molecule travels in 3 dimensions with a mean, The techniques used are Powerful General. Statistical Methods. Very helpful- In analysis of height and weight, for a known height, one can predict weight. Statistical Methods in Clinical Trials - . (N-n1)!n1pn1qn2, But, for our special case (p q) 1, (p q)N-1, Summary The mean number of steps to the right, We might have guessed this! Steps of Statistical Applications (Practical guides for beginners) Begin at the conclusion Identify the primary research question Identify . James B. Sample size calculation yields the number of study subjects needed, given a certain desired power to detect a difference and a certain level of P value that will be considered significant. Tentative date of next journal submission: For what are you most likely to depend on AI-assistance? Sample size for proportions Stata input: Mean 1 = .2, mean 2 = .3, = .05, power (1-) =.8. Also called the error. Much more useful than correlation Allows prediction of values of Y rather than just whether there is a relationship between two variable. - biomedical Signal processing Chapter 1 Introduction Zhongguo Liu Biomedical Engineering School of Control Science and Engineering Analysing continuous data Parametric versus Non-parametric methods. DESCRIPTIVE). Non-Parametric Methods - Statistics for Health Research Non-Parametric Methods Peter T. Donnan Professor of Epidemiology and Biostatistics | PowerPoint PPT presentation | free to view Research and Statistical Methods for Gym Business (1) - This research study was done to analyze the factors or the issues why the gym was losing the profit. - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Research Method.ppt 1 of 70 Research Method.ppt Feb. 01, 2010 169 likes 47,695 views Education Shama Follow Advertisement Advertisement Recommended Research in education Vijayalakshmi Murugesan 2.3k views 65 slides Research methodology Md Saifullah Khalid 7.1k views 32 slides Rm chapter 2 report cheppumol 535 views 10 slides STATISTICS IN {k68vX o F?5z[gfA)aU[x[~z ^SK&Kamis~ [] 5okev{\-p5}a0Ly O/;]/nEQ)Rllp.k$n-w87[W n)f3}u=[`9cf UhsH-"A