statistical methods in research ppt

Statistical Methods. We've encountered a problem, please try again. 3rd edition. Looks like youve clipped this slide to already. 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. We've updated our privacy policy. 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. Similarly, we can, Of course, ltn1gt ltn2gt N(p q) N as it. 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. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: Clinical Research Methods - . 4. Analysis of Variance Used to determine if two or more samples are from the same population- the null hypothesis. PPT - Introduction to Statistical Analysis PowerPoint Presentation Ratios: if CI includes 1, then is not significant The interval contains the true population value 95% of the time. STATISTICAL PROCEDURES (Discriptive Statistics).pptx MuhammadNafees42 158 views Sampling design 6.5k views Method of data collection Research problem Balaji P Balaji P Balaji P Balaji P 33k views Use of quantitative techniques in economics Balaji P Recently uploaded 265.ppt sanjaykj6 Apple 2022-Q4 Income Statement chart.pdf BobKane13 ? The SlideShare family just got bigger. We had, m n1 n2 2n1 N. So, ltmgt 2ltn1gt, ?m m - ltmgt (2n1 N) (2ltn1gt - N) 2(n1, (?m)2 4(?n1)2. Sample Mode Infrequently reported as a value in studies. Schedule Introduction Data Analysis--Introduction Data Collection Instruments Issues in Research Design Sample Size Sources of Error Tap here to review the details. 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. Power is the ability of a study to avoid a Type II error. Statistical Research - Census.gov the spread of the u values about the mean u. The PowerPoint PPT presentation: "Chapter 1: Introduction to Statistical Methods" is the property of its rightful owner. Sometimes, u is called the 1st moment of P(u). It appears that you have an ad-blocker running. Example: A relative risk of 4 might have a confidence interval of 1.05 to 9, suggesting that although the estimate is for a 400% increased risk, an increased risk of 5% to 900% is plausible. continuous blood pressure time to event. Ratio of two interval data points has no meaning Temperature in celsius, day of the year). Research Method.ppt - SlideShare - 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. Slide 1. Statistical Methods in Clinical Trials - . Also called the error. Methods of Collecting Data biomedical Signal processing ???????? The Statistics and Methods Core supports CCPR research and training by providing expertise in the choice, development, and implementation of statistical methodology. Chapter 1 Introduction. This course The Physics of systems containing, Classical Newtons Laws ?? 1994. page 99 There were statistically significant different You never know which directions study results will go. # $ % & ' ( ) * Clinical Research Methods - . ? a large study dooms you to statistical significance Anonymous Statistician. or the 2nd Moment of P(u) about the mean. The sample is chosen by selecting a random starting point and then picking every i th element in succession from the sampling frame. # $ % & ' ( ) * + , - . 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. Blackwell Scientific Publications, Oxford. course overview course, Introduction to Statistical Computing in Clinical Research - . Forget the drunk, lets get back to Physics! Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. PPT Chapter 1: Introduction to Statistics - UBalt gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. marcia a. testa, mph. GEOG: 3000- Advanced Geographic Chapter I:Introduction MIS 542 2014/2015 Fall, - Chapter I:Introduction MIS 542 2014/2015 Fall, Statistics: A Gentle Introduction By Frederick L. Coolidge, Ph.D. Sage Publications, - Statistics: A Gentle Introduction By Frederick L. Coolidge, Ph.D. Sage Publications Chapter 1 A Gentle Introduction Chapter 1*, UCLA STAT 13 Introduction to Statistical Methods. It appears that you have an ad-blocker running. 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.. The unit staff provide advice about what to do and how to do it as well as . You might get some help from www.HelpWriting.net Success and best regards! Statistical Tests Parametric tests Continuous data normally distributed Non-parametric tests Continuous data not normally distributed Categorical or Ordinal data, Comparison of 2 Sample Means Students T test Assumes normally distributed continuous data. (PDF) Use of Statistics in Research PPT - Applications of Statistics in Research PowerPoint Presentation 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. TI%)$IJB'mVl~~ {kc$N/^\p% I]zDdA h7+L$"H.1KaP Zs.emeni"^]WON/~whm{+?4sZ@2 !X(5Ze `gookv mp9@TX_Ku~K%goECcx:n;?(7 Statistical research is the rigorous development of improved or new statistical methods grounded in probability and statistical theory. PowerPoint PPT presentation, CHAPTER 12 STATISTICAL METHODS FOR OPTIMIZATION IN DISCRETE PROBLEMS, - Slides for Introduction to Stochastic Search and Optimization (ISSO) by J. C. Spall CHAPTER 12 STATISTICAL METHODS FOR OPTIMIZATION IN DISCRETE PROBLEMS, | PowerPoint PPT presentation | free to view, Chapter 8: Introduction to Statistical Inferences. 1994. page 99 63 Tips 6 (b) P-value vs. 95CI (4) Adapted from Armitage, P. and Berry, G. Statistical methods in medical research. Statistics in research - SlideShare Introduction to Statistical Computing in Clinical Research - Today. course overviewcourse objectivescourse details: AAEC 4302 STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . STATISTICAL ANALYSIS - Introduction to Statistics 1.1 An Overview of Statistics 1.2 Data Classification 1.3 Experimental Design * Larson/Farber 4th ed. Dr. Shamanthakamani Narendran M.D. )pn1qn2 ? 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. N atoms, each with magnetic moment . Statistical methods - Latest research and news | Nature Overview. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Whatever your area of interest, here youll be able to find and view presentations youll love and possibly download. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. And, best of all, it is completely free and easy to use. The application of statistical methods extracts information from . Very helpful- In analysis of height and weight, for a known height, one can predict weight. 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. Tap here to review the details. Common Statistical Methods for Clinical Research with SAS Examples, Third Edition. Four hundred and twenty nine participants were selected randomly using stratified sampling followed by lottery method. d d @ @@ `` H ( c Statistics presents a rigorous scientific method for gaining insight into data. - CHAPTER 3 Review of Statistics INTRODUCTION The creation of histograms and probability distributions from empirical data. DESCRIPTIVE). (3).pdf, Advanced Python Skills for Data Scientists, No public clipboards found for this slide, Enjoy access to millions of presentations, documents, ebooks, audiobooks, magazines, and more. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. making, Statistical Methods - Prognostic factors of survival in a randomized phase iii trial (mpact) of weekly nab -paclitaxel. Much more useful than correlation Allows prediction of values of Y rather than just whether there is a relationship between two variable. @ n ? " Comparative descriptive survey research design was employed to answer the research questions raised. JMCON. Usually used for 3 or more samples. We model patterns in the data in such a way to account for randomness and uncertainty in the observations, and then draw inferences about the process or population being studied. Statistical analysis - SlideShare Table of contents Methods for collecting data Examples of data collection methods Methods for analyzing data Practical Statistics for Medical Research. biostatistics 212 lecture 1. today. The four types of statistical methods and the - ResearchGate 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 Interquartile range Is the range of data from the 25th percentile to the 75th percentile Common component of a box and whiskers plot It is the box, and the line across the box is the median or middle value Rarely, mean will also be displayed. p. The, the lamp post is at x 0. You can read the details below. Explanatory & Response Variable in Statistics A quick guide for early career researchers! Often presented graphically as a 2 X 2 Table, Chi-Squared (2) Test Chi-Squared (2) Formula Not applicable in small samples If fewer than 5 observations per cell, use Fishers exact test, Correlation Assesses the linear relationship between two variables Example: height and weight Strength of the association is described by a correlation coefficient- r r = 0 - .2 low, probably meaningless r = .2 - .4 low, possible importance r = .4 - .6moderate correlation r = .6 - .8 high correlation r = .8 - 1 very high correlation Can be positive or negative Pearsons, Spearman correlation coefficient Tells nothing about causation, Correlation Source: Harris and Taylor. Activate your 30 day free trialto unlock unlimited reading. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. PPT - Statistical Methods PowerPoint Presentation, free download - ID PPTX REACH Resources | Informing more effective humanitarian action For example, tables or graphs are used to organize data, and descriptive values such as the average score are used to summarize data. 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. 3 !1AQa"q2B#$Rb34rC%Scs5&DTdEt6UeuF'Vfv7GWgw 5 !1AQaq"2B#R3$brCScs4%&5DTdEU6teuFVfv'7GWgw ? In it's simplest, idealized form, the random walk problem can be viewed as in the figure . 12.1 - Summary of Statistical Techniques | STAT 500 STATISTICAL TOOLS NEEDED - PowerPoint PPT Presentation The SlideShare family just got bigger. Arriving at the Junction of Statistics and Biology: My Journey strongly agree, agree, neither agree or disagree, etc. [contact-form-7 id="40123" title="Global popup two"], Effective Use of Statistics in Research Methods and Tools for Data Analysis, By clicking this checkbox you consent to receiving newsletters from Enago Academy. Walker, Glenn A., and Jack Shostak. We've updated our privacy policy. In fact, statistical methods dominate the scientific research as they include planning, designing, collecting data, analyzing, drawing meaningful interpretation and reporting of research findings. course overview course. Tap here to review the details. CCPR offers "drop-in" statistical consulting services to meet short-term needs of CCPR affiliates. The mean value of the deviation from the mean, Now, lets look at (?u)2 (u - ltugt)2 (square of, Its mean value is lt(?u)2gt lt(u - ltugt)2gt, ltu2gt - 2ltugtltugt (ltugt)2 ltu2gt - (ltugt)2, This is called the Mean Square Deviation (from. Chapter 1: Introduction to Statistical Methods Description: . Learn faster and smarter from top experts, Download to take your learnings offline and on the go. }>@X'- (W? vORv[K? 10. Do not sell or share my personal information, 1. The goal of statistics is to help researchers organize and interpret the data. sumber: Statistical Methods in Clinical Trials II Categorical Data - . P Values and Confidence Intervals P values provide less information than confidence intervals. 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 ERIC - EJ1051853 - A Comparative Study on Power Point Presentation and ziad taib biostatistics astrazeneca february 22, 2012. types of data. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. - PowerPoint PPT presentation Number of Views: 637 Avg rating:3.0/5.0 Slides: 67 Provided by: Charles7 You can read the details below. Activate your 30 day free trialto continue reading. Do not sell or share my personal information. (Pead), Ph.D. (Yoga Science) R E S E A R C H M E T H O D S. ? Rex Book Store ; Assessment of Learning I and II by Dr. Rosita De Guzman-Santos, LORIMAR Publishing, 2007 Ed. Descriptive Statistics Descriptive statistics are methods for organizing and summarizing data. When comparing two samples, we usually cannot be sure which is going to be be better. Clipping is a handy way to collect important slides you want to go back to later. BIOS:6610 STATISTICAL METHODS IN CLINICAL TRIALS - . They, So, its very important to spend some time on. It's FREE! Do not sell or share my personal information, 1. A very large study might find that a difference of .1 on a VAS Scale of 0 to 10 is statistically significant but it may be of no clinical significance A large study might find many significant findings during multivariable analyses. Introduction to Research Methods in Education, Research an overview: A Tutorial PowerPoint Presentation by Ramesh Adhikari, Lecture 7 research methodology in counselling, Newham College University Centre Stratford Newham, Research Process in Social Science Research, 01 tajuk, masalah & objektif kajian penyelidikan tindakan, Research presentation on tools and methods of data collection, Research data collection methods and tools, Qualitative and quantitative methods of research, NurseReview.Org - Study Skills and Test Strategies for the New Nursing Student, On Being A Successful Graduate Student In The Sciences, Dev Sanskriti Vishwavidyalaya (University), Role of yoga in tension outlets of children, Sravana shakthi hearing disorders in children, Cell phone use on child development and behavior, GERD (gastroesophageal reflux disease) in children, Congratulation and Compliment-SlidesCarnival_02.ppt, ANATOMY EMBRYOLOGY AND IMAGING OF SVC.pptx, first language, second and additional language.pptx, Uses knowledge of text structure to glean the information he/she needs, College Achievement Certificates _ by Slidesgo.pptx, CONTEMPORARY ARTS IN THE REGION week 4-5.pptx, fitnesstestingingeriatics-161020102751.pdf, Class 9_Chapter 7_Triangles (Basic definitions ) Lecture 1, No public clipboards found for this slide, Enjoy access to millions of presentations, documents, ebooks, audiobooks, magazines, and more. PPT Quantitative Methods - LSU christopher s. coffey. Data presentation can also help you determine the best way to present the data based on its arrangement. Activate your 30 day free trialto unlock unlimited reading. uji hipotesis. [A}?-wm}. So, lt(?m)2gt 4lt(?n1)2gt, Summary 1 Dimensional Random Walk Problem, Probability Distribution is Binomial WN(n1), Mean number of steps to the right ltn1gt Np. And theyre ready for you to use in your PowerPoint presentations the moment you need them. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Statistical methods are essential for scientific research. Example: A company advertises the net weight of its cereal is 24 ounces. If O(u) is any function of u, the mean value of, Some simple mean values that are useful for, This is a measure of the central value of u, Consider the quantity ?u u - u (deviation from, ? Applications of Statistics in Research Bandit Thinkhamrop, Ph.D. (Statistics) Department of Biostatistics and Demography Faculty of Public Health Khon Kaen University. 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, ? If so, just upload it to PowerShow.com. Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. Clarification Standard Deviation measures the variability or spread of the data in an individual sample. The function of statistics in research is to purpose as a tool in conniving research, analyzing its data and portrayal of conclusions there from. For qualitative data, you can use methods such as thematic analysis to interpret patterns and meanings in the data. Research & Expertise - Missing Data & Observational Data Modeling Methods - Record Linkage & Machine Learning Methods The aim of this study was to compare PPT and traditional lecture method in material understandability, effectiveness and attitude among university students. Tap here to review the details. This may lead to a negative study outcome in error. 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. - 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. A measure of the precision of a sample in estimating the population parameter. / 0 1 2 3 4 5 6 7 8 9 : ; = > ? > g (Ensemble the French word for assembly). You can read the details below. The SlideShare family just got bigger. For the, Again note that ltn1gt Np. Activate your 30 day free trialto continue reading. Click here to review the details. When designing a study, one needs to determine how large a study is needed. More than one method is . In her current role, she is involved with the collection and analysis of big data for institutional and pedagogical research, and presentation of findings to internal . Click here to review the details. al. We've updated our privacy policy. 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. With so many measurements, simply looking at the data fails to provide an informative account. {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 Free access to premium services like Tuneln, Mubi and more. Remember there is variability among samples- they might seem to come from different populations but they may not. P Values and Confidence Intervals Confidence intervals provide a range of plausible values of the population mean For most tests, if the confidence interval includes 0, then it is not significant. @ 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 &( . allen s chapter 7 j&m s chapters 8 and 12. statistical methods. In doing so, the statistician seeks to limit bias, maximize objectivity, and obtain results that are scientifically valid. PPT Describing and Presenting Data - shsu.edu Standard Error A fundamental goal of statistical analysis is to estimate a parameter of a population based on a sample The values of a specific variable from a sample are an estimate of the entire population of individuals who might have been eligible for the study. Quantitative vs. Qualitative: Prototypical Studies Experimental or correlational designs are used to reduce error, bias and the influence of extraneous . Li leads a research group called the Junction of Statistics and Biology, where she and her students focus on developing statistical and computational methods to answer important questions in biological and biomedical sciences and to extract key information from genomics and health-related data. I am looking for Editing/ Proofreading services for my manuscript Zhi Chen - Milwaukee, Wisconsin, United States - LinkedIn PPT A Brief Introduction to Research - University of Virginia School of x d P xuKAs b*Q0*9" (#D4FhgcZ;bg*sF"q][m\D Dt+a]|a#lsn8,3_:?i5jrWydw #T iv^\s'fRf9/j&&vFs7nKS"_EGiIC-JK|T7{E?cxgM/(+Q1gKzehH}O'4iUA3Mc+2c~zK|{} Dvk9/ @ H | xcdd``> @c112BYL%bpu. descriptive statistics inferential statistics. If two samples, is the same as the T test. Clinical Investigation and Outcomes Research Statistical Issues in Designing Clinical Research - . - An Introduction to Statistical Problem Solving in Geography - 2nd Edition . Spies M.D., MPH Professor of Radiology Georgetown University School of Medicine Washington, DC. PPT - Chapter 1: Introduction to Statistical Methods PowerPoint Talk about Probabilities Average Properties, We are NOT concerned with the detailed behavior, An Isolated System is in Equilibrium when its, But, note! qlrFFQ~]$M\I%?TI%)345 NKaa#>:Gc ? Regression Based on fitting a line to data Provides a regression coefficient, which is the slope of the line Y = ax + b Use to predict a dependent variables value based on the value of an independent variable. Standard error measures the precision of the estimate of a population parameter provided by the sample mean or proportion. If it appears they are not from same population, cant tell which sample is different. Looks like youve clipped this slide to already. Selection of appropriate statistical methods for data analysis Activate your 30 day free trialto unlock unlimited reading. Research Methods and Statistics - PowerPoint PPT Presentation - PowerShow PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. 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 But m 2n1 N, so n1 ()(N, n2 N - n1 ()(N - m). need to solve 1023, Quantum Schrdingers Equation ?? diana trandabat 2013-2014. cky parsing. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. Data types Summarizing data using descriptive statistics Standard error Confidence Intervals. She is currently a Learning / Research Analyst, working in the Centre for Learning Environment and Assessment Development (CoLEAD) at Singapore Institute of Technology (SIT). 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