statistical methods in research ppt statistical methods in research ppt

# $ % & ' ( ) * + , - . P values, Statistical Methods in Clinical Research James B. 2022 in a Nutshell Reminiscing the year when opportunities were seized and feats were achieved! Clipping is a handy way to collect important slides you want to go back to later. ? 3rd edition. Looks like youve clipped this slide to already. strongly agree, agree, neither agree or disagree, etc. Now customize the name of a clipboard to store your clips. The application of statistical methods extracts information from . By accepting, you agree to the updated privacy policy. ` / 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 @ . The SlideShare family just got bigger. 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 . Activate your 30 day free trialto unlock unlimited reading. 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. When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. 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. Do not sell or share my personal information, 1. Statistics presents a rigorous scientific method for gaining insight into data. 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, ? Princy Francis M Activate your 30 day free trialto unlock unlimited reading. 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. Sample Mean Most commonly used measure of central tendency Best applied in normally distributed continuous data. 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. Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. STATISTICS IN 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. For example, suppose we measure the weight of 100 patients in a study. qlrFFQ~]$M\I%?TI%)345 NKaa#>:Gc Looks like youve clipped this slide to already. - CHAPTER 3 Review of Statistics INTRODUCTION The creation of histograms and probability distributions from empirical data. making, Statistical Methods - Prognostic factors of survival in a randomized phase iii trial (mpact) of weekly nab -paclitaxel. Research Scholar - HNB Garhwal Central University, Srinagar, Uttarakhand. But m 2n1 N, so n1 ()(N, n2 N - n1 ()(N - m). marcia a. testa, mph. 2. You can read the details below. Looks like youve clipped this slide to already. 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. No problem. 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 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. Activate your 30 day free trialto continue reading. The Statistics and Methods Core supports CCPR research and training by providing expertise in the choice, development, and implementation of statistical methodology. - Chapter 10: Inference from Small Samples Introduction When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. @ 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 &( . 5. - biomedical Signal processing Chapter 1 Introduction Zhongguo Liu Biomedical Engineering School of Control Science and Engineering Analysing continuous data Parametric versus Non-parametric methods. Tap here to review the details. 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. Do you have PowerPoint slides to share? ! " Can be ratio Ratio of the measures has meaning Weight, height, Types of Data Why important? Comparative descriptive survey research design was employed to answer the research questions raised. 8p" O . R $ i4N5y } R $ `N%L B RX R $ M>3O'2 X R $ Looks like youve clipped this slide to already. Confidence Intervals Commonly reported in studies to provide an estimate of the precision of the mean. 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. chapter 7(7.1 &7.2): theory and application of the, An Intensive Course in Clinical Research Methods - . 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. B^uuhm?}{].~}v_J;xogJY]@.)oqC? We've encountered a problem, please try again. By accepting, you agree to the updated privacy policy. Click here to review the details. 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 (!) dev. need to solve. 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 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. The unit staff provide advice about what to do and how to do it as well as . Click here to review the details. N. lt(?m)2gt lt(m - ltmgt)2gt in the net displacement? charles e. mcculloch division of biostatistics. We've encountered a problem, please try again. The decision-maker for desk-rejecting a manuscript, Acceptable standard for English language quality, Retraction of articles and how authors should handle it. Errors Type I error Claiming a difference between two samples when in fact there is none. descriptive statistics inferential statistics. The aim of this study was to compare PPT and traditional lecture method in material understandability, effectiveness and attitude among university students. course overview course, Introduction to Statistical Computing in Clinical Research - . 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. # $ % & ' ( ) * - 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. 3. The SlideShare family just got bigger. Qualitative Vs. Quantitative Research A step-wise guide to conduct research. Would need to do pair-wise tests. 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 And theyre ready for you to use in your PowerPoint presentations the moment you need them. ! " ziad taib biostatistics astrazeneca february 22, 2012. types of data. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Chapter 1 Introduction. It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. Test to Compare Two Population Variances. Activate your 30 day free trialto continue reading. [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. - 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. Many studies are completed without proper estimate of appropriate study size. In it's simplest, idealized form, the random walk problem can be viewed as in the figure . diana trandabat 2013-2014. cky parsing. - Chapter 1: Introduction and Research Methods What is Psychology? Clipping is a handy way to collect important slides you want to go back to later. (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! lt(?n1)2gt (in general). Do not sell or share my personal information, 1. Clinical Research Methods - . Create stunning presentation online in just 3 steps. The function of statistics in research is to purpose as a tool in conniving research, analyzing its data and portrayal of conclusions there from. Most commonly used in assessing the estimate of the difference between two groups. Data presentation can also help you determine the best way to present the data based on its arrangement. We've updated our privacy policy. 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. Use of emergent design utilizing constant comparison and revision. - Enago.tw | Reviso de Texto- Enago.com.br | Ingilizce Dzenleme- Enago.com.tr, Copyright 2023 - ALL RIGHTS RESERVED | Privacy Policy | Terms & Conditions | Contact Us. 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. Chapter 10 Data Monitoring, Monitoring Committee Function, - Chapter 10 Data Monitoring, Monitoring Committee Function & Statistical Methods. - 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. Activate your 30 day free trialto unlock unlimited reading. James B. Also called the error. ? It's FREE! Overview. Zhi Chen Civil Engineering PhD with great quantitative analysis skills actively seeking for a data scientist/analyst position The probability of stepping to, to the left is q 1 p. In general, q ? (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. the spread of the u values about the mean u. Blackwell Scientific Publications, Oxford. The independent variable usually occurs earlier in time than the dependent variables. Data presentation. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. cocke-kasami-younger parsing algorithm: Statistical methods in NLP - . This analysis doesnt take into. And, best of all, it is completely free and easy to use. Not applicable in categorical data Definition: Sum of all the values in a sample, divided by the number of values. @ n ? " 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. Is the most common value More frequently used to describe the distribution of data Uni-modal, bi-modal, etc. During her talk, Li will share personal and . Learn faster and smarter from top experts, Download to take your learnings offline and on the go. One-sided vs. Two-sided Most tests should be framed as a two-sided test. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. 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. ziad taib biostatistics astrazeneca march 7, 2012. types. Example: A company advertises the net weight of its cereal is 24 ounces. What is the mean displacement, ltxgt ltmgtl? - Chapter 9. The probability of not making a Type II error is 1 - , which is called the power of the test. Statistical methods in medical research. PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. Introduction to Statistical Computing in Clinical Research - Today. course overviewcourse objectivescourse details: AAEC 4302 STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . Blackwell Scientific Publications, Oxford. By accepting, you agree to the updated privacy policy. Overview. 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. With so many measurements, simply looking at the data fails to provide an informative account. u " 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 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. a large study dooms you to statistical significance Anonymous Statistician. ? - An Introduction to Statistical Problem Solving in Geography - 2nd Edition . 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. Sample Mode Infrequently reported as a value in studies. Get powerful tools for managing your contents. BIOS:6610 STATISTICAL METHODS IN CLINICAL TRIALS - . Also called a error. Research Scholar at Indian Institute of Technology, Madras. 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 ? Brief description about Descriptive statistics for dummies with solved examples. If so, share your PPT presentation slides online with PowerShow.com. H H JFIF H H Adobe_CM Adobe d P Values and Confidence Intervals P values provide less information than confidence intervals. 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. Remember there is variability among samples- they might seem to come from different populations but they may not. course overview course. 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've updated our privacy policy. Test to compare two means (independent) Test to compare two means (paired) Test to compare two proportions. continuous blood pressure time to event. Usually used for 3 or more samples. }>@X'- (W? vORv[K? This course The Physics of systems containing, Classical Newtons Laws ?? Research, Types and objectives of research. 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Clinical Research Methods - . 1994. page 99 63 Tips 6 (b) P-value vs. 95CI (4) Adapted from Armitage, P. and Berry, G. Statistical methods in medical research. You might even have a presentation youd like to share with others. A measure of the precision of a sample in estimating the population parameter. Now customize the name of a clipboard to store your clips. Similarly, we can, Of course, ltn1gt ltn2gt N(p q) N as it. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. 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 Click here to review the details. Typically 0.05 is used, Errors Type II error Claiming there is no difference between two samples when in fact there is. Sometimes, u is called the 1st moment of P(u). Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more. So, the relative, ? Presentation Transcript. 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You can read the details below. Tap here to review the details. And, again, its all free. allen s chapter 7 j&m s chapters 8 and 12. statistical methods. 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. (Ensemble the French word for assembly). diana trandabat 2013-2014. the sentence as a string of words e.g i saw the lady with. 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. You might get some help from www.HelpWriting.net Success and best regards! It appears that you have an ad-blocker running. 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. I can advise you this service - www.HelpWriting.net Bought essay here. Statistical research is the rigorous development of improved or new statistical methods grounded in probability and statistical theory. 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. Ist Yr MSc(N) Each step is of length, axis must be x ml where m a positive or a, Question After N steps, what is the probability. data analysis techniques and statistical softwares. - Chapter 8: Introduction to Find the lower and upper confidence limits. Sz_]WMi4}S:4c_KC%. By accepting, you agree to the updated privacy policy. 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 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 Do not sell or share my personal information. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Ratio of two interval data points has no meaning Temperature in celsius, day of the year). We focus on methods in eight areas of statistical research and maintain expertise in each. Tap here to review the details. PowerShow.com is a leading presentation sharing website. 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. Test to compare several means. 3. You can unsubscribe at any time by clicking on the unsubscribe link in the newsletter. Explanatory & Response Variable in Statistics A quick guide for early career researchers!