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Sampling.ppt - Google Slides - An Introduction to Statistical Problem Solving in Geography - 2nd Edition . 5. Applications of Statistics in Research Bandit Thinkhamrop, Ph.D. (Statistics) Department of Biostatistics and Demography Faculty of Public Health Khon Kaen University. Click here to review the details. continuous data. ziad taib biostatistics astrazeneca march 7, 2012. types. 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 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. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. By accepting, you agree to the updated privacy policy. It appears that you have an ad-blocker running. 3rd edition. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Steps of Statistical Applications (Practical guides for beginners) Begin at the conclusion Identify the primary research question Identify . - CHAPTER 3 Review of Statistics INTRODUCTION The creation of histograms and probability distributions from empirical data. Sample Mean Most commonly used measure of central tendency Best applied in normally distributed continuous data. ; The sampling interval, i, is determined by dividing the population size N by . Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. @ n ? " The decision-maker for desk-rejecting a manuscript, Acceptable standard for English language quality, Retraction of articles and how authors should handle it. This analysis doesnt take into. Statistics presents a rigorous scientific method for gaining insight into data. We've encountered a problem, please try again. Activate your 30 day free trialto continue reading. Zhi Chen Civil Engineering PhD with great quantitative analysis skills actively seeking for a data scientist/analyst position types of data. then given by the fraction of these experiments in which two . 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, ? Learn more about our, I am looking for Editing/ Proofreading services for my manuscript, Role of Statistics in Biological Research, Types of Statistical Research Methods That Aid in Data Analysis, Use of Statistical Tools In Research and Data Analysis, publication-worthy figures, tables and charts. Activate your 30 day free trialto unlock unlimited reading. Methods of Collecting Data biomedical Signal processing ???????? 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. STATISTICS IN Four hundred and twenty nine participants were selected randomly using stratified sampling followed by lottery method. You can read the details below. Clarification Standard Deviation measures the variability or spread of the data in an individual sample. Sz_]WMi4}S:4c_KC%. Can be ratio Ratio of the measures has meaning Weight, height, Types of Data Why important? We've updated our privacy policy. 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. ! " They, So, its very important to spend some time on. Also called the error. u " CCPR offers "drop-in" statistical consulting services to meet short-term needs of CCPR affiliates. roger l. bertholf, ph.d., dabcc associate, Statistical Methods - . - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Sample Mode Infrequently reported as a value in studies. Statistical Methods in Clinical Research. For example, suppose we measure the weight of 100 patients in a study. / 0 1 2 3 4 5 6 7 8 9 : ; = > ? Research Method.ppt - SlideShare Click here to review the details. In inferential statistics, we are generally using a sample. Research & Expertise - Missing Data & Observational Data Modeling Methods - Record Linkage & Machine Learning Methods - STAT 13, UCLA, Ivo Dinov. 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 encountered a problem, please try again. Practical Statistics for Medical Research. 1994. page 99 There were statistically significant different Also called a error. Well convert it to an HTML5 slideshow that includes all the media types youve already added: audio, video, music, pictures, animations and transition effects. Tap here to review the details. You never know which directions study results will go. Much more useful than correlation Allows prediction of values of Y rather than just whether there is a relationship between two variable. We've encountered a problem, please try again. - PowerPoint PPT presentation Number of Views: 637 Avg rating:3.0/5.0 Slides: 67 Provided by: Charles7 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. 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.. 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. august 12, 2009. Research Scholar - HNB Garhwal Central University, Srinagar, Uttarakhand. Looks like youve clipped this slide to already. When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. Shermain Puah - Learning Research Analyst - LinkedIn PPT - Research Methods PowerPoint Presentation, free download - SlideServe Chapter 10 Data Monitoring, Monitoring Committee Function, - Chapter 10 Data Monitoring, Monitoring Committee Function & Statistical Methods. Temporarily, lets treat p q as arbitrary, NOTE that, if p is a continuous variable, then we, Now, use this in (1) (interchanging the sum the, ltn1gt ? @ 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 &( . 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. Statistical Methods. A measure of the precision of a sample in estimating the population parameter. Sometimes, u is called the 1st moment of P(u). 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. ? Each step is of length, axis must be x ml where m a positive or a, Question After N steps, what is the probability. [A}?-wm}. Statistical Research - Census.gov We've updated our privacy policy. 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. Errors Type I error Claiming a difference between two samples when in fact there is none. - Chapter 10: Inference from Small Samples Introduction When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. 3. 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. 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. It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. Research Methods and Statistics - PowerPoint PPT Presentation - PowerShow ADVANCED STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. Statistics in research - SlideShare 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. Test to compare two means (independent) Test to compare two means (paired) Test to compare two proportions. ? PPTX REACH Resources | Informing more effective humanitarian action Learn faster and smarter from top experts, Download to take your learnings offline and on the go. need to solve. sumber: Statistical Methods in Clinical Trials II Categorical Data - . - Chapter 9. The unit staff provide advice about what to do and how to do it as well as . Slide 1. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. 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 (n1 0?N) N!/(n1! collection, statistical analysis, and making appropriate inferences from the data. 7 Types of Statistical Analysis Techniques (And Process Steps) Qualitative Vs. Quantitative Research A step-wise guide to conduct research. - Introduction to Statistics 1.1 An Overview of Statistics 1.2 Data Classification 1.3 Experimental Design * Larson/Farber 4th ed. Do not sell or share my personal information, 1. 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. You can read the details below. Data Analysis and Presentation Describing and Presenting Data Three important criteriaaccuracy, conciseness, and understandability Researchers should always present their data in ways that most accurately represent the data Numerical data can be classified as numerical (example: percentages, (means) or graphical (graphs) method) Statistics Three areas: 1) Descriptive - central tendency . 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 (!) biostatistics 212. today. p. The, the lamp post is at x 0. Use of emergent design utilizing constant comparison and revision. One-sided vs. Two-sided Most tests should be framed as a two-sided test. (n1 0?N) N!/(n1!n2! The application of statistical methods extracts information from . The SlideShare family just got bigger. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. In fact, statistical methods dominate the scientific research as they include planning, designing, collecting data, analyzing, drawing meaningful interpretation and reporting of research findings. continuous blood pressure time to event. Click here to review the details. STATISTICAL ANALYSIS Free access to premium services like Tuneln, Mubi and more. Practical Statistics for Medical Research, Correlation Correlation Coefficient .3 Correlation Coefficient 0 Source: Altman. # $ % & ' ( ) * d d @ @@ `` H ( c The sample is chosen by selecting a random starting point and then picking every i th element in succession from the sampling frame. 3. Statistical analysis - SlideShare PPT Describing and Presenting Data - shsu.edu need to solve 1023, Quantum Schrdingers Equation ?? large data, Statistical Methods - . Research Methods | Definitions, Types, Examples - Scribbr Now customize the name of a clipboard to store your clips. Get powerful tools for managing your contents. Zhi Chen - Milwaukee, Wisconsin, United States - LinkedIn Not applicable in categorical data Definition: Sum of all the values in a sample, divided by the number of values. N atoms, each with magnetic moment . 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. PPT - Statistical Methods PowerPoint Presentation, free download - ID 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. If two samples, is the same as the T test. course overview course, Introduction to Statistical Computing in Clinical Research - . Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. DESCRIPTIVE). It appears that you have an ad-blocker running. Clipping is a handy way to collect important slides you want to go back to later. You might get some help from www.HelpWriting.net Success and best regards! Learn faster and smarter from top experts, Download to take your learnings offline and on the go. If so, share your PPT presentation slides online with PowerShow.com. More than one method is . {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 Overview. or the 2nd Moment of P(u) about the mean. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. The dependent variable is always the property you are trying to explain; it is always the object of the research. P values, Statistical Methods in Clinical Research James B. Descriptive Statistics Descriptive statistics are methods for organizing and summarizing data. 2. The aim of this study was to compare PPT and traditional lecture method in material understandability, effectiveness and attitude among university students. 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? (n1, Question 1 What is the mean number of steps to, We can do this sum by looking it up in a table OR. strongly agree, agree, neither agree or disagree, etc. data sharing / standardization. Princy Francis M Clipping is a handy way to collect important slides you want to go back to later. Clipping is a handy way to collect important slides you want to go back to later. collecting and describing data. Statistical methods - Latest research and news | Nature 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. If it appears they are not from same population, cant tell which sample is different. (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! Statistics and Methods - California Center for Population Research It appears that you have an ad-blocker running. chapter 7(7.1 &7.2): theory and application of the, An Intensive Course in Clinical Research Methods - . Explanatory & Response Variable in Statistics A quick guide for early career researchers! }>@X'- (W? vORv[K? Test to Compare Two Population Variances. We've encountered a problem, please try again. So, we need to divide the result by n1!n2! Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. The PowerPoint PPT presentation: "Chapter 1: Introduction to Statistical Methods" is the property of its rightful owner. 10. The independent variable usually occurs earlier in time than the dependent variables. 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. Typically 0.05 is used, Errors Type II error Claiming there is no difference between two samples when in fact there is. Presentation Transcript. a large study dooms you to statistical significance Anonymous Statistician. 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. ziad taib biostatistics astrazeneca february 22, 2012. types of data. > @=P p8L\ +Dt{?l$ 1 bv p> x]lepm BViXJC9%Q?GMjR"&O`}g1U.A4}0h)}k$BL/@Cx|v{dfvo~vS C a pT} m[;(u\M#w'l@)d^xp2-@Y]v`[^(Crm^N4' >N+:{j? 6}KyX Introduction to Statistical Computing in Clinical Research - Today. course overviewcourse objectivescourse details: AAEC 4302 STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . (PDF) Use of Statistics in Research methods research methods quantitative methods qualitative methods mathematical statistical methods interviews structured semi structured Download Presentation Research Methods An Image/Link below is provided (as is) to download presentation This may lead to a negative study outcome in error. Do not sell or share my personal information, 1. A P value provides only a probability that estimate is due to chance A P value could be statistically significant but of limited clinical significance. PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. It appears that you have an ad-blocker running. 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. RESEARCH (PART 1 12.1 - Summary of Statistical Techniques | STAT 500 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. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: Clinical Research Methods - . This course The Physics of systems containing, Classical Newtons Laws ?? February 13, 2010. PowerShow.com is a leading presentation sharing website. It's FREE! Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. PPT - Overview Biostatistics Applications of Statistics in Research Statistics in research - SlideShare 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. REACH Resources | Informing more effective humanitarian action Activate your 30 day free trialto continue reading. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. Confidence Intervals May be used to assess a single point estimate such as mean or proportion. 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. Sample Size for Continuous Data Stata input: Mean 1 = 20, mean 2 = 30, = .05, power (1-) =.8, std. Quantitative vs. Qualitative: Methods and Process The scientific method, also known as a priori or pre-established design. Spies M.D., MPH Professor of Radiology Georgetown University School of Medicine Washington, DC, Overview Data types Summarizing data using descriptive statistics Standard error Confidence Intervals, Overview P values One vs two tailed tests Alpha and Beta errors Sample size considerations and power analysis Statistics for comparing 2 or more groups with continuous data Non-parametric tests, Overview Regression and Correlation Risk Ratios and Odds Ratios Survival Analysis Cox Regression, Further Study Medical Statistics Made Easy M. Harris and G. Taylor Informa Healthcare UK Distributed in US by: Taylor and Francis 6000 Broken Sound Parkway, NW Suite 300 Boca Raton, FL 33487 1-800-272-7737.

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