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 (!) Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. Much more useful than correlation Allows prediction of values of Y rather than just whether there is a relationship between two variable. the spread of the u values about the mean u. 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 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. (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. No problem. N atoms, each with magnetic moment . Clarification Standard Deviation measures the variability or spread of the data in an individual sample. Clinical Research Methods - . 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 - . d d @ @@ `` H ( c The decision-maker for desk-rejecting a manuscript, Acceptable standard for English language quality, Retraction of articles and how authors should handle it. This may lead to a negative study outcome in error. chapter 7(7.1 &7.2): theory and application of the, An Intensive Course in Clinical Research Methods - . Would need to do pair-wise tests. Clipping is a handy way to collect important slides you want to go back to later. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. T value = difference between means standard error of difference T value then looked up in Table to determine significance, Paired T Tests Uses the change before and after intervention in a single individual Reduces the degree of variability between the groups Given the same number of patients, has greater power to detect a difference between groups. 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. uji hipotesis. So, we need to divide the result by n1!n2! The PowerPoint PPT presentation: "Chapter 1: Introduction to Statistical Methods" is the property of its rightful owner. The sample is chosen by selecting a random starting point and then picking every i th element in succession from the sampling frame. DESCRIPTIVE). Is the most common value More frequently used to describe the distribution of data Uni-modal, bi-modal, etc. ziad taib biostatistics astrazeneca march 7, 2012. types. As N increases, the mean value increases ? diana trandabat 2013-2014. cky parsing. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. 8p" O . R $ i4N5y } R $ `N%L B RX R $ M>3O'2 X R $ 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. P Values and Confidence Intervals P values provide less information than confidence intervals. 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. 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. You can unsubscribe at any time by clicking on the unsubscribe link in the newsletter. Introduction Observational Data Descriptive statistics involve summarizing a collection of data. 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 2 Research Methods in Industrial/Organizational Psychology Introduction to Industrial/Organizational Psychology by Ronald Riggio Social Scientific Research Chapter%207%20Sampling%20and%20Sampling%20Distributions. The SlideShare family just got bigger. Tap here to review the details. Free access to premium services like Tuneln, Mubi and more. Clinical Research Methods - . It appears that you have an ad-blocker running. And, again, its all free. For example, tables or graphs are used to organize data, and descriptive values such as the average score are used to summarize data. BIOS:6610 STATISTICAL METHODS IN CLINICAL TRIALS - . gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. - Enago.tw | Reviso de Texto- Enago.com.br | Ingilizce Dzenleme- Enago.com.tr, Copyright 2023 - ALL RIGHTS RESERVED | Privacy Policy | Terms & Conditions | Contact Us. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. JMCON. This can be easily generalized to 2 dimensions. Free access to premium services like Tuneln, Mubi and more. Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more. STATISTICS IN Do not sell or share my personal information, 1. Forget the drunk, lets get back to Physics! Test to compare several means. 3. Explanatory & Response Variable in Statistics A quick guide for early career researchers! 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. Overview. The function of statistics in research is to purpose as a tool in conniving research, analyzing its data and portrayal of conclusions there from. Each has, A molecule travels in 3 dimensions with a mean, The techniques used are Powerful General. - An Introduction to Statistical Problem Solving in Geography - 2nd Edition . data analysis techniques and statistical softwares. Do not sell or share my personal information. Boasting an impressive range of designs, they will support your presentations with inspiring background photos or videos that support your themes, set the right mood, enhance your credibility and inspire your audiences. continuous blood pressure time to event. So, the relative, ? Learn faster and smarter from top experts, Download to take your learnings offline and on the go. We've updated our privacy policy. Clipping is a handy way to collect important slides you want to go back to later. Most research studies result in a extensive. We've updated our privacy policy. Activate your 30 day free trialto continue reading. 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 Can be ratio Ratio of the measures has meaning Weight, height, Types of Data Why important? Activate your 30 day free trialto continue reading. Tap here to review the details. 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. ! " 4. They, So, its very important to spend some time on. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. With so many measurements, simply looking at the data fails to provide an informative account. 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. (Ensemble the French word for assembly). STATISTICAL ANALYSIS [A}?-wm}. Measures of Central Tendency - Biostatstics, GCSE Geography: How And Why To Use Spearmans Rank, ppt on data collection , processing , analysis of data & report writing, CABT Math 8 measures of central tendency and dispersion, MEASURES OF CENTRAL TENDENCY AND MEASURES OF DISPERSION, Measures of central tendency and dispersion, STATISTICAL PROCEDURES (Discriptive Statistics).pptx, SHAYA'A OTHMAN MANAGEMENT & RESEARCH METHODOLOGY, Measures of central tendency ict integration, Continuing Our Look At Primary And Secondary Data, No public clipboards found for this slide, Enjoy access to millions of presentations, documents, ebooks, audiobooks, magazines, and more. Common Statistical Methods for Clinical Research with SAS Examples, Third Edition. ziad taib biostatistics astrazeneca february 22, 2012. types of data. Remember there is variability among samples- they might seem to come from different populations but they may not. During her talk, Li will share personal and . She is currently a Learning / Research Analyst, working in the Centre for Learning Environment and Assessment Development (CoLEAD) at Singapore Institute of Technology (SIT). Errors Type I error Claiming a difference between two samples when in fact there is none. 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. - 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. ? With respect to use of research methodology, quantitative approach (78%) is popular in user studies followed by mixed methods (10%), qualitative (8%), and multimethod (4%). collecting and describing data. Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. REACH Resources | Informing more effective humanitarian action Clinical Investigation and Outcomes Research Statistical Issues in Designing Clinical Research - . Statistical Methods. Free access to premium services like Tuneln, Mubi and more. Data presentation is an extension of data cleaning, as it involves arranging the data for easy analysis. The goal of statistics is to help researchers organize and interpret the data. Activate your 30 day free trialto unlock unlimited reading. august 12, 2009. The scientific study of behavior and mental processes Philosophical Developments A Question Introduction%20linkage%20analysis,%20Genetic%20markers,%20mapping%20functions%20Lecture%203. Statistical Issues Designing Clinical Research - . - Chapter 9. Use of emergent design utilizing constant comparison and revision. 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. It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. PowerShow.com is a leading presentation sharing website. Here, you can use descriptive statistics tools to summarize the data. The dependent variable is always the property you are trying to explain; it is always the object of the research. strongly agree, agree, neither agree or disagree, etc. 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. The probability of not making a Type II error is 1 - , which is called the power of the test. Walker, Glenn A., and Jack Shostak. All available places can be occupied in, Note However! Ist Yr MSc(N) Sample size for proportions Stata input: Mean 1 = .2, mean 2 = .3, = .05, power (1-) =.8. Ratio of two interval data points has no meaning Temperature in celsius, day of the year). B^uuhm?}{].~}v_J;xogJY]@.)oqC? 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? Comparative descriptive survey research design was employed to answer the research questions raised. Practical Statistics for Medical Research, Correlation Correlation Coefficient .3 Correlation Coefficient 0 Source: Altman. Well convert it to an HTML5 slideshow that includes all the media types youve already added: audio, video, music, pictures, animations and transition effects. Statistical methods in medical research. James B. Do not sell or share my personal information, 1. 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. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Tap here to review the details. One-sided vs. Two-sided Most tests should be framed as a two-sided test. then given by the fraction of these experiments in which two . 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. For quantitative data, you can use statistical analysis methods to test relationships between variables. 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. 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. N. lt(?m)2gt lt(m - ltmgt)2gt in the net displacement? Looks like youve clipped this slide to already. Activate your 30 day free trialto unlock unlimited reading. dev. You might even have a presentation youd like to share with others. biostatistics 212. today. Tap here to review the details. Quantitative vs. Qualitative: Methods and Process The scientific method, also known as a priori or pre-established design. If so, just upload it to PowerShow.com. Research, Types and objectives of research. We've updated our privacy policy. lt(?n1)2gt (in general). Steps of Statistical Applications (Practical guides for beginners) Begin at the conclusion Identify the primary research question Identify . 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. 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). 10. Hidden error because cant be detected without a proper power analysis. Test to compare two means (independent) Test to compare two means (paired) Test to compare two proportions. It appears that you have an ad-blocker running. The probability of stepping to, to the left is q 1 p. In general, q ? Chapter 2 - Summary. 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. Create stunning presentation online in just 3 steps. When comparing two samples, we usually cannot be sure which is going to be be better. 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 ? - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. (Pearsons) Chi-Squared (2) Test Used to compare observed proportions of an event compared to expected. Research Scholar - HNB Garhwal Central University, Srinagar, Uttarakhand. Descriptive Statistics Descriptive statistics are methods for organizing and summarizing data. Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. Applications of Statistics in Research Bandit Thinkhamrop, Ph.D. (Statistics) Department of Biostatistics and Demography Faculty of Public Health Khon Kaen University. biostatistics 212 lecture 1. today. Statistical Methods in Clinical Research. Sample Size for Continuous Data Stata input: Mean 1 = 20, mean 2 = 30, = .05, power (1-) =.8, std. More than one method is . They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Whatever your area of interest, here youll be able to find and view presentations youll love and possibly download. 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 ? Now customize the name of a clipboard to store your clips. The application of statistical methods extracts information from . Activate your 30 day free trialto continue reading. Mid-value in interquartile range. qlrFFQ~]$M\I%?TI%)345 NKaa#>:Gc 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. Activate your 30 day free trialto unlock unlimited reading. - 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. By accepting, you agree to the updated privacy policy. Very helpful- In analysis of height and weight, for a known height, one can predict weight. al. Looks like youve clipped this slide to already. In doing so, the statistician seeks to limit bias, maximize objectivity, and obtain results that are scientifically valid. The SlideShare family just got bigger. We've updated our privacy policy. Click here to review the details. By accepting, you agree to the updated privacy policy. Activate your 30 day free trialto unlock unlimited reading. Many of them are also animated. Free access to premium services like Tuneln, Mubi and more. Standard error measures the precision of the estimate of a population parameter provided by the sample mean or proportion. Most commonly used in assessing the estimate of the difference between two groups. Rex Book Store ; Assessment of Learning I and II by Dr. Rosita De Guzman-Santos, LORIMAR Publishing, 2007 Ed. It's FREE! types of data. It appears that you have an ad-blocker running. 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. ? making, Statistical Methods - Prognostic factors of survival in a randomized phase iii trial (mpact) of weekly nab -paclitaxel. P values, Statistical Methods in Clinical Research James B. Activate your 30 day free trialto continue reading. 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. +KRs8@f Pdk )px!` mC#07jd}c^ ! course overview course. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Methods of Collecting Data biomedical Signal processing ???????? Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. You can read the details below. Quantitative vs. Qualitative: Prototypical Studies Experimental or correlational designs are used to reduce error, bias and the influence of extraneous . Sometimes, u is called the 1st moment of P(u). By accepting, you agree to the updated privacy policy. - Introduction to Statistics 1.1 An Overview of Statistics 1.2 Data Classification 1.3 Experimental Design * Larson/Farber 4th ed. > g We've encountered a problem, please try again. Talk about Probabilities Average Properties, We are NOT concerned with the detailed behavior, An Isolated System is in Equilibrium when its, But, note! @ 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 &( .
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