statistical methods in research ppt statistical methods in research ppt

For example, suppose we measure the weight of 100 patients in a study. You never know which directions study results will go. Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. - 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. P Values and Confidence Intervals P values provide less information than confidence intervals. 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). Research Scholar at Indian Institute of Technology, Madras. One-sided vs. Two-sided Most tests should be framed as a two-sided test. This course The Physics of systems containing, Classical Newtons Laws ?? Errors Type I error Claiming a difference between two samples when in fact there is none. Activate your 30 day free trialto unlock unlimited reading. Looks like youve clipped this slide to already. Sample Size for Continuous Data Stata input: Mean 1 = 20, mean 2 = 30, = .05, power (1-) =.8, std. - Enago.tw | Reviso de Texto- Enago.com.br | Ingilizce Dzenleme- Enago.com.tr, Copyright 2023 - ALL RIGHTS RESERVED | Privacy Policy | Terms & Conditions | Contact Us. al. @ 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 &( . STATISTICS IN Activate your 30 day free trialto unlock unlimited reading. 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. During her talk, Li will share personal and . Analysis of Time Series Data 9.1 Basic concepts 9.2 General model formulations 9.3 Smoothing methods 9.4 OLS regression models 9.5 Stochastic time series CHAPTER 2 Research Methods in Industrial/Organizational Psychology. It is the middle value from an ordered listing of the values If an odd number of values, it is the middle value If even number of values, it is the average of the two middle values. It appears that you have an ad-blocker running. ziad taib biostatistics astrazeneca march 7, 2012. types. 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. Then you can share it with your target audience as well as PowerShow.coms millions of monthly visitors. More than one method is . 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. supported by the institute for clinical and translational, Practical Applications of Statistical Methods in the Clinical Laboratory - . 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.. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. 3rd edition. Blackwell Scientific Publications, Oxford. Statistical Methods in Clinical Trials - . We've updated our privacy policy. Typically 0.05 is used, Errors Type II error Claiming there is no difference between two samples when in fact there is. 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. Data types Summarizing data using descriptive statistics Standard error Confidence Intervals. 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. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Sample Mode Infrequently reported as a value in studies. UCLA STAT 13. 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. - Introduction to Hypothesis Testing Chapter 8 - Chapter Outcomes After studying the material in this chapter, you should be able to: Formulate null and alternative An Introduction to Statistical Problem Solving in Geography - 2nd Edition. qlrFFQ~]$M\I%?TI%)345 NKaa#>:Gc Tap here to review the details. collecting and describing data. 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. 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. You can read the details below. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: Clinical Research Methods - . The probability of stepping to, to the left is q 1 p. In general, q ? And theyre ready for you to use in your PowerPoint presentations the moment you need them. need to solve. ? (n1 0?N) N!/(n1!n2! It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. The independent variable usually occurs earlier in time than the dependent variables. data analysis techniques and statistical softwares. If so, just upload it to PowerShow.com. The SlideShare family just got bigger. - Chapter 8: Introduction to Find the lower and upper confidence limits. 1994. page 99 There were statistically significant different - Chapter 9. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. So, we need to divide the result by n1!n2! Overview. Clinical Research Methods - . Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Chapter 1: Introduction to Statistical Methods Description: . (Ensemble the French word for assembly). So, the relative, ? Four hundred and twenty nine participants were selected randomly using stratified sampling followed by lottery method. 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 (Pearsons) Chi-Squared (2) Test Used to compare observed proportions of an event compared to expected. 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, ? Statistics presents a rigorous scientific method for gaining insight into data. 3 !1AQa"q2B#$Rb34rC%Scs5&DTdEt6UeuF'Vfv7GWgw 5 !1AQaq"2B#R3$brCScs4%&5DTdEU6teuFVfv'7GWgw ? Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. You can read the details below. (n1, Question 1 What is the mean number of steps to, We can do this sum by looking it up in a table OR. Power is the ability of a study to avoid a Type II error. Clarification Standard Deviation measures the variability or spread of the data in an individual sample. Walker, Glenn A., and Jack Shostak. Slide 1. REACH Resources | Informing more effective humanitarian action PowerShow.com is a leading presentation sharing website. Now customize the name of a clipboard to store your clips. Schedule Introduction Data Analysis--Introduction Data Collection Instruments Issues in Research Design Sample Size Sources of Error biostatistics 212. today. Do not sell or share my personal information, 1. Introduction to Statistical Computing in Clinical Research - . Looks like youve clipped this slide to already. Get powerful tools for managing your contents. Can be ratio Ratio of the measures has meaning Weight, height, Types of Data Why important? The application of statistical methods extracts information from . 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 continuous blood pressure time to event. 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. We had, m n1 n2 2n1 N. So, ltmgt 2ltn1gt, ?m m - ltmgt (2n1 N) (2ltn1gt - N) 2(n1, (?m)2 4(?n1)2. Most commonly used in assessing the estimate of the difference between two groups. (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! Test about a slope. Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. Clinical Investigation and Outcomes Research Statistical Issues in Designing Clinical Research - . lt(?n1)2gt (in general). Most research studies result in a extensive. 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. or the 2nd Moment of P(u) about the mean. {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 If so, share your PPT presentation slides online with PowerShow.com. 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. Spies M.D., MPH Professor of Radiology Georgetown University School of Medicine Washington, DC. She is currently a Learning / Research Analyst, working in the Centre for Learning Environment and Assessment Development (CoLEAD) at Singapore Institute of Technology (SIT). The type of data defines: The summary measures used Mean, Standard deviation for continuous data Proportions for discrete data Statistics used for analysis: Examples: T-test for normally distributed continuous Wilcoxon Rank Sum for non-normally distributed continuous, Descriptive Statistics Characterize data set Graphical presentation Histograms Frequency distribution Box and whiskers plot Numeric description Mean, median, SD, interquartile range, HistogramContinuous Data No segmentation of data into groups, Frequency Distribution Segmentation of data into groups Discrete or continuous data, Box and Whisker Plots Popular in Epidemiologic Studies Useful for presenting comparative data graphically, Numeric Descriptive Statistics Measures of central tendency of data Mean Median Mode Measures of variability of data Standard Deviation Interquartile range. 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. Practical Statistics for Medical Research, Correlation Correlation Coefficient .3 Correlation Coefficient 0 Source: Altman. The goal of statistics is to help researchers organize and interpret the data. 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 gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. 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 You can read the details below. Free access to premium services like Tuneln, Mubi and more. august 12, 2009. Statistical Methods in Clinical Research. - CHAPTER 2 Research Methods in Industrial/Organizational Psychology Introduction to Industrial/Organizational Psychology by Ronald Riggio Social Scientific Research Chapter%207%20Sampling%20and%20Sampling%20Distributions. 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. Free access to premium services like Tuneln, Mubi and more. For qualitative data, you can use methods such as thematic analysis to interpret patterns and meanings in the data. 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. Two main statistical methods are used in data analysis: descriptive statistics, which summarizes data using indexes such as mean and median and another is inferential statistics, which draw conclusions from data using statistical tests such as student's t-test. When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. 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. February 13, 2010. 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 Medical Statistics Part-II:Inferential statistics, Parametric test - t Test, ANOVA, ANCOVA, MANOVA, Research method ch07 statistical methods 1, Inferential statistics quantitative data - anova, univariate and bivariate analysis in spss, Nursing care of patients having conduction disorders, Planning process, 5 year plan and commitee reports, Coronary circulation and fetal circulation, Biochemistry of blood in relation to cardio pulmonary function, Privileges, community programmes of aged people, General health assessment and history taking, 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, Class 9 Chapter 5 Euclid's geometry (Theorems and Problems)_Lecture 2.pdf, Class 9_Chapter 4_Linear equations in two variables, No public clipboards found for this slide, Enjoy access to millions of presentations, documents, ebooks, audiobooks, magazines, and more. The function of statistics in research is to purpose as a tool in conniving research, analyzing its data and portrayal of conclusions there from. Ratios: if CI includes 1, then is not significant The interval contains the true population value 95% of the time. Similarly, we can, Of course, ltn1gt ltn2gt N(p q) N as it. 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 / 0 1 2 3 4 5 6 7 8 9 : ; = > ? diana trandabat 2013-2014. cky parsing. 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 . charles e. mcculloch division of biostatistics. Is the most common value More frequently used to describe the distribution of data Uni-modal, bi-modal, etc. PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. By accepting, you agree to the updated privacy policy. It appears that you have an ad-blocker running. We've updated our privacy policy. ? When comparing two samples, we usually cannot be sure which is going to be be better. Tap here to review the details. It's FREE! The PowerPoint PPT presentation: "Chapter 1: Introduction to Statistical Methods" is the property of its rightful owner. uji hipotesis. Activate your 30 day free trialto continue reading. For routine medical research, use only two-sided tests. strongly agree, agree, neither agree or disagree, etc. Research, Types and objectives of research. It appears that you have an ad-blocker running. Test of Strength & Direction of Linear Relationship of 2 Quantitative Variables. P Values The probability that any observation is due to chance alone assuming that the null hypothesis is true Typically, an estimate that has a p value of 0.05 or less is considered to be statistically significant or unlikely to occur due to chance alone. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. 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. This can be easily generalized to 2 dimensions. Also called the error. JMCON. Data presentation is an extension of data cleaning, as it involves arranging the data for easy analysis. 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. We've encountered a problem, please try again. Use of non-parametric tests Use for categorical, ordinal or non-normally distributed continuous data May check both parametric and non-parametric tests to check for congruity Most non-parametric tests are based on ranks or other non- value related methods Interpretation: Is the P value significant? collection, statistical analysis, and making appropriate inferences from the data. Data presentation can also help you determine the best way to present the data based on its arrangement. 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, ?