statistical methods in research ppt

- Introduction to Statistics 1.1 An Overview of Statistics 1.2 Data Classification 1.3 Experimental Design * Larson/Farber 4th ed. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Do you have PowerPoint slides to share? One-sided vs. Two-sided Most tests should be framed as a two-sided test. 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. Rex Book Store ; Assessment of Learning I and II by Dr. Rosita De Guzman-Santos, LORIMAR Publishing, 2007 Ed. - Chapter 8: Introduction to Find the lower and upper confidence limits. {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 The unit staff provide advice about what to do and how to do it as well as . The SlideShare family just got bigger. Activate your 30 day free trialto unlock unlimited reading. We've updated our privacy policy. Many of them are also animated. ziad taib biostatistics astrazeneca february 22, 2012. types of data. The dependent variable is always the property you are trying to explain; it is always the object of the research. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. 1994. page 99 63 Tips 6 (b) P-value vs. 95CI (4) Adapted from Armitage, P. and Berry, G. Statistical methods in medical research. Do not sell or share my personal information, 1. course overview course. Now customize the name of a clipboard to store your clips. The SlideShare family just got bigger. 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 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. Analysis of Variance Used to determine if two or more samples are from the same population- the null hypothesis. By accepting, you agree to the updated privacy policy. 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. They are all artistically enhanced with visually stunning color, shadow and lighting effects. Sample size for proportions Stata input: Mean 1 = .2, mean 2 = .3, = .05, power (1-) =.8. Statistical Methods. REACH Resources | Informing more effective humanitarian action Dr. Shamanthakamani Narendran M.D. Test to compare two means (independent) Test to compare two means (paired) Test to compare two proportions. Power is the ability of a study to avoid a Type II error. 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. cocke-kasami-younger parsing algorithm: Statistical methods in NLP - . The aim of this study was to compare PPT and traditional lecture method in material understandability, effectiveness and attitude among university students. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Now customize the name of a clipboard to store your clips. We've updated our privacy policy. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. (n1 0?N) N!/(n1!n2! Test about a slope. B^uuhm?}{].~}v_J;xogJY]@.)oqC? Four hundred and twenty nine participants were selected randomly using stratified sampling followed by lottery method. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. Errors Type I error Claiming a difference between two samples when in fact there is none. P values, Statistical Methods in Clinical Research James B. And, again, its all free. But m 2n1 N, so n1 ()(N, n2 N - n1 ()(N - m). Introduction to Statistical Computing in Clinical Research - Today. course overviewcourse objectivescourse details: AAEC 4302 STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . roger l. bertholf, ph.d., dabcc associate, Statistical Methods - . Walker, Glenn A., and Jack Shostak. Sometimes, u is called the 1st moment of P(u). (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! (Ensemble the French word for assembly). }>@X'- (W? vORv[K? - Chapter 9. Example: A company advertises the net weight of its cereal is 24 ounces. 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. STATISTICAL ANALYSIS No problem. Here, you can use descriptive statistics tools to summarize the data. continuous blood pressure time to event. Sample Mode Infrequently reported as a value in studies. We've encountered a problem, please try again. Activate your 30 day free trialto unlock unlimited reading. Click here to review the details. 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. You might even have a presentation youd like to share with others. marcia a. testa, mph. Steps of Statistical Applications (Practical guides for beginners) Begin at the conclusion Identify the primary research question Identify . And theyre ready for you to use in your PowerPoint presentations the moment you need them. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Free access to premium services like Tuneln, Mubi and more. types of data. For example, suppose we measure the weight of 100 patients in a study. 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. Now customize the name of a clipboard to store your clips. The independent variable usually occurs earlier in time than the dependent variables. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. 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, ? Test of Strength & Direction of Linear Relationship of 2 Quantitative Variables. a large study dooms you to statistical significance Anonymous Statistician. For quantitative data, you can use statistical analysis methods to test relationships between variables. 2022 in a Nutshell Reminiscing the year when opportunities were seized and feats were achieved! # $ % & ' ( ) * Practical Statistics for Medical Research, Correlation Correlation Coefficient .3 Correlation Coefficient 0 Source: Altman. - CHAPTER 3 Review of Statistics INTRODUCTION The creation of histograms and probability distributions from empirical data. Most research studies result in a extensive. Click here to review the details. 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 Can be ratio Ratio of the measures has meaning Weight, height, Types of Data Why important? Very helpful- In analysis of height and weight, for a known height, one can predict weight. Ist Yr MSc(N) dev. In doing so, the statistician seeks to limit bias, maximize objectivity, and obtain results that are scientifically valid. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. - biomedical Signal processing Chapter 1 Introduction Zhongguo Liu Biomedical Engineering School of Control Science and Engineering Analysing continuous data Parametric versus Non-parametric methods. Comparative descriptive survey research design was employed to answer the research questions raised. 2. N atoms, each with magnetic moment . Statistical research is the rigorous development of improved or new statistical methods grounded in probability and statistical theory. collection, statistical analysis, and making appropriate inferences from the data. Confidence Intervals May be used to assess a single point estimate such as mean or proportion. Clinical Research Methods - . This analysis doesnt take into. In inferential statistics, we are generally using a sample. It appears that you have an ad-blocker running. @ 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 &( . And, best of all, it is completely free and easy to use. Each step is of length, axis must be x ml where m a positive or a, Question After N steps, what is the probability. d d @ @@ `` H ( c Use of emergent design utilizing constant comparison and revision. Clinical Research Methods - . More than one method is . 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. ~ :q;M }ARv=vc[NHev]UB E1Gn ?zE. Clipping is a handy way to collect important slides you want to go back to later. ! " 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 Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. ? I can advise you this service - www.HelpWriting.net Bought essay here. 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 (!) uji hipotesis. I am looking for Editing/ Proofreading services for my manuscript Usually used for 3 or more samples. lt(?n1)2gt (in general). Free access to premium services like Tuneln, Mubi and more. ` / 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 @ . JMCON. CCPR offers "drop-in" statistical consulting services to meet short-term needs of CCPR affiliates. You can unsubscribe at any time by clicking on the unsubscribe link in the newsletter. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. DESCRIPTIVE). - Enago.tw | Reviso de Texto- Enago.com.br | Ingilizce Dzenleme- Enago.com.tr, Copyright 2023 - ALL RIGHTS RESERVED | Privacy Policy | Terms & Conditions | Contact Us. 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. christopher s. coffey. Activate your 30 day free trialto continue reading. Overview. 3rd edition. sumber: Statistical Methods in Clinical Trials II Categorical Data - . continuous data. For routine medical research, use only two-sided tests. It appears that you have an ad-blocker running. A measure of the precision of a sample in estimating the population parameter. We had, m n1 n2 2n1 N. So, ltmgt 2ltn1gt, ?m m - ltmgt (2n1 N) (2ltn1gt - N) 2(n1, (?m)2 4(?n1)2. You never know which directions study results will go. If a confidence interval range is very wide, then plausible value might range from very low to very high. Create stunning presentation online in just 3 steps. 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? 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. James B. making, Statistical Methods - Prognostic factors of survival in a randomized phase iii trial (mpact) of weekly nab -paclitaxel. 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. Is the most common value More frequently used to describe the distribution of data Uni-modal, bi-modal, etc. - PowerPoint PPT presentation Number of Views: 637 Avg rating:3.0/5.0 Slides: 67 Provided by: Charles7 When comparing two samples, we usually cannot be sure which is going to be be better. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. 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. 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. Schedule Introduction Data Analysis--Introduction Data Collection Instruments Issues in Research Design Sample Size Sources of Error Ratios: if CI includes 1, then is not significant The interval contains the true population value 95% of the time. Activate your 30 day free trialto continue reading. - 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. What is the mean displacement, ltxgt ltmgtl? Common Statistical Methods for Clinical Research with SAS Examples, Third Edition. Slide 1. PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. Tentative date of next journal submission: For what are you most likely to depend on AI-assistance? - Chapter 7 Sampling and Sampling Distributions Simple Random Sampling Point Estimation Introduction to Sampling Distributions Sampling Distribution of Sampling - Statistics 202: Statistical Aspects of Data Mining Professor David Mease Tuesday, Thursday 9:00-10:15 AM Terman 156 Lecture 12 = More of Chapter 5, Chapter 1: Introduction and Research Methods. 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. 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. Not applicable in categorical data Definition: Sum of all the values in a sample, divided by the number of values. Activate your 30 day free trialto continue reading. The SlideShare family just got bigger. 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. This can be easily generalized to 2 dimensions. 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. 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