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> @=P p8L\ +Dt{?l$ 1 bv p> x]lepm BViXJC9%Q?GMjR"&O`}g1U.A4}0h)}k$BL/@Cx|v{dfvo~vS C a pT} m[;(u\M#w'l@)d^xp2-@Y]v`[^(Crm^N4' >N+:{j? 6}KyX Many of them are also animated. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Now customize the name of a clipboard to store your clips. (N-n1)!n1pn1qn2, But, for our special case (p q) 1, (p q)N-1, Summary The mean number of steps to the right, We might have guessed this! Walker, Glenn A., and Jack Shostak. We had, m n1 n2 2n1 N. So, ltmgt 2ltn1gt, ?m m - ltmgt (2n1 N) (2ltn1gt - N) 2(n1, (?m)2 4(?n1)2. As N increases, the mean value increases ? gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. qlrFFQ~]$M\I%?TI%)345 NKaa#>:Gc 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. Looks like youve clipped this slide to already. descriptive statistics inferential statistics. 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. large data, Statistical Methods - . Statistics in research - SlideShare 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. 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%). 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. 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. Research, Types and objectives of research. course overview course. Also called the error. Methods of Collecting Data biomedical Signal processing ???????? > g PDF Introduction & Basics Research Methods and Statistics - PowerPoint PPT Presentation - PowerShow Statistical methods are essential for scientific research. diana trandabat 2013-2014. the sentence as a string of words e.g i saw the lady with. You might even have a presentation youd like to share with others. Power is the ability of a study to avoid a Type II error. 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. Clipping is a handy way to collect important slides you want to go back to later. Activate your 30 day free trialto unlock unlimited reading. Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. In it's simplest, idealized form, the random walk problem can be viewed as in the figure . Dr. Shamanthakamani Narendran M.D. PPT Quantitative Methods - LSU Here, you can use descriptive statistics tools to summarize 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 ? We've encountered a problem, please try again. Activate your 30 day free trialto unlock unlimited reading. PPT Basics of Statistics For the, Again note that ltn1gt Np. If it appears they are not from same population, cant tell which sample is different. strongly agree, agree, neither agree or disagree, etc. Zhi Chen Civil Engineering PhD with great quantitative analysis skills actively seeking for a data scientist/analyst position @ n ? " If two samples, is the same as the T test. Errors Type I error Claiming a difference between two samples when in fact there is none. For quantitative data, you can use statistical analysis methods to test relationships between variables. - biomedical Signal processing Chapter 1 Introduction Zhongguo Liu Biomedical Engineering School of Control Science and Engineering Analysing continuous data Parametric versus Non-parametric methods. collecting and describing data. 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. ~ :q;M }ARv=vc[NHev]UB E1Gn ?zE. They, So, its very important to spend some time on. And theyre ready for you to use in your PowerPoint presentations the moment you need them. The SlideShare family just got bigger. We've updated our privacy policy. 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. PPT - Statistical Methods in Clinical Research PowerPoint Presentation In fact, statistical methods dominate the scientific research as they include planning, designing, collecting data, analyzing, drawing meaningful interpretation and reporting of research findings. Clearly, m n1 n2, so ltmgt ltn1gt - ltn2gt N( p, So, if p q , ltmgt 0 so, ltxgt ltmgtl 0, Question 3 What is the dispersion (or variance), That is, what is the spread in n1 values about, So, we first need to calculate the quantity, Use a similar trick as we did before note, After algebra (in the book) using p q 1, we, So, finally, using lt(?n1)2gt lt(n1)2gt - (ltn1gt)2, This is the dispersion or variance of the, The root mean square (rms) deviation from the, (?n1) ? It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. STATISTICAL ANALYSIS Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. We've updated our privacy policy. - 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. 3rd edition. Introduction to Statistical Computing in Clinical Research - . 3. 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 Click here to review the details. 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, again, its all free. PPT - Overview Biostatistics Applications of Statistics in Research Sample size for proportions Stata input: Mean 1 = .2, mean 2 = .3, = .05, power (1-) =.8. Many studies are completed without proper estimate of appropriate study size. 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. Data presentation is an extension of data cleaning, as it involves arranging the data for easy analysis. A measure of the precision of a sample in estimating the population parameter. This analysis doesnt take into. Practical Statistics for Medical Research, Correlation Correlation Coefficient .3 Correlation Coefficient 0 Source: Altman. (Pead), Ph.D. (Yoga Science) R E S E A R C H M E T H O D S. What is the mean displacement, ltxgt ltmgtl? 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. Free access to premium services like Tuneln, Mubi and more. Statistical research is the rigorous development of improved or new statistical methods grounded in probability and statistical theory. 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.. Statistical Research - Census.gov Test to compare two means (independent) Test to compare two means (paired) Test to compare two proportions. 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. February 13, 2010. Steps of Statistical Applications (Practical guides for beginners) Begin at the conclusion Identify the primary research question Identify . august 12, 2009. (n1 0?N) N!/(n1! Common Statistical Methods for Clinical Research with SAS Examples, Third Edition. (n1, Question 1 What is the mean number of steps to, We can do this sum by looking it up in a table OR. Tap here to review the details. Forget the drunk, lets get back to Physics! Statistics in research - SlideShare Tap here to review the details. continuous blood pressure time to event. continuous data. Introduction to Statistical Computing in Clinical Research - Today. course overviewcourse objectivescourse details: AAEC 4302 STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . Blackwell Scientific Publications, Oxford. One-sided vs. Two-sided Most tests should be framed as a two-sided test. 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. Get powerful tools for managing your contents. - STAT 13, UCLA, Ivo Dinov. Use a Statistical description of such a system. 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. Arriving at the Junction of Statistics and Biology: My Journey Whatever your area of interest, here youll be able to find and view presentations youll love and possibly download. 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. 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. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Statistics presents a rigorous scientific method for gaining insight into data. The independent variable usually occurs earlier in time than the dependent variables. 3rd edition. Statistical methods - Latest research and news | Nature The SlideShare family just got bigger. Do not sell or share my personal information, 1. Rex Book Store ; Assessment of Learning I and II by Dr. Rosita De Guzman-Santos, LORIMAR Publishing, 2007 Ed. Research Methods | Definitions, Types, Examples - Scribbr 2022 in a Nutshell Reminiscing the year when opportunities were seized and feats were achieved! 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. biostatistics 212 lecture 1. today. ` / 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 @ . You can read the details below. [A}?-wm}. 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 . 5. So, we need to divide the result by n1!n2! Princy Francis M - Chapter 1: Introduction and Research Methods What is Psychology? Statistical Methods in Clinical Trials - . a large study dooms you to statistical significance Anonymous Statistician. Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more. Role of Statistics in Research - Methods & Tools for Data Analysis Statistical methods in NLP - . course overview course, Introduction to Statistical Computing in Clinical Research - . 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. Now customize the name of a clipboard to store your clips. Test about a slope. Do you have PowerPoint slides to share? We've updated our privacy policy. Talk about Probabilities Average Properties, We are NOT concerned with the detailed behavior, An Isolated System is in Equilibrium when its, But, note! It appears that you have an ad-blocker running. Chapter 1 Introduction. 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 . u " 8p" O . R $ i4N5y } R $ `N%L B RX R $ M>3O'2 X R $ Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Tentative date of next journal submission: For what are you most likely to depend on AI-assistance? 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. 3. Looks like youve clipped this slide to already. 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. marcia a. testa, mph. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. The SlideShare family just got bigger. 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. 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. Clipping is a handy way to collect important slides you want to go back to later. Confidence Intervals Commonly reported in studies to provide an estimate of the precision of the mean. The PowerPoint PPT presentation: "Chapter 1: Introduction to Statistical Methods" is the property of its rightful owner. P values, Statistical Methods in Clinical Research James B. roger l. bertholf, ph.d., dabcc associate, Statistical Methods - . Do not sell or share my personal information, 1. Sampling.ppt - Google Slides We've encountered a problem, please try again. 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. 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. Clipping is a handy way to collect important slides you want to go back to later. 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. Blackwell Scientific Publications, Oxford. ziad taib biostatistics astrazeneca february 22, 2012. types of data. types of data. 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 Mid-value in interquartile range. This may lead to a negative study outcome in error. When comparing two samples, we usually cannot be sure which is going to be be better. Can be ratio Ratio of the measures has meaning Weight, height, Types of Data Why important? Remember there is variability among samples- they might seem to come from different populations but they may not. p. The, the lamp post is at x 0. N. lt(?m)2gt lt(m - ltmgt)2gt in the net displacement? Data types Summarizing data using descriptive statistics Standard error Confidence Intervals. PPT - Chapter 1: Introduction to Statistical Methods PowerPoint Ist Yr MSc(N) Data presentation can also help you determine the best way to present the data based on its arrangement. {k68vX o F?5z[gfA)aU[x[~z ^SK&Kamis~ [] 5okev{\-p5}a0Ly O/;]/nEQ)Rllp.k$n-w87[W n)f3}u=[`9cf UhsH-"A Statistical analysis - SlideShare Quantitative vs. Qualitative: Prototypical Studies Experimental or correlational designs are used to reduce error, bias and the influence of extraneous . Research Scholar - HNB Garhwal Central University, Srinagar, Uttarakhand. ? For example, suppose we measure the weight of 100 patients in a study. STATISTICAL PROCEDURES (Discriptive Statistics).pptx MuhammadNafees42 158 views Sampling design 6.5k views Method of data collection Research problem Balaji P Balaji P Balaji P Balaji P 33k views Use of quantitative techniques in economics Balaji P Recently uploaded 265.ppt sanjaykj6 Apple 2022-Q4 Income Statement chart.pdf BobKane13 Click here to review the details. ERIC - EJ1051853 - A Comparative Study on Power Point Presentation and 3 !1AQa"q2B#$Rb34rC%Scs5&DTdEt6UeuF'Vfv7GWgw 5 !1AQaq"2B#R3$brCScs4%&5DTdEU6teuFVfv'7GWgw ? Qualitative Vs. Quantitative Research A step-wise guide to conduct research. Free access to premium services like Tuneln, Mubi and more. Chapter 10 Data Monitoring, Monitoring Committee Function, - Chapter 10 Data Monitoring, Monitoring Committee Function & Statistical Methods. Cathy Walker. ! " 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. It appears that you have an ad-blocker running. Activate your 30 day free trialto continue reading. Spies M.D., MPH Professor of Radiology Georgetown University School of Medicine Washington, DC. allen s chapter 7 j&m s chapters 8 and 12. statistical methods. 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. Tap here to review the details. By accepting, you agree to the updated privacy policy. Is the most common value More frequently used to describe the distribution of data Uni-modal, bi-modal, etc. }>@X'- (W? vORv[K? Statistics and Methods - California Center for Population Research 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 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. You can read the details below. Research Scholar at Indian Institute of Technology, Madras. Clinical Investigation and Outcomes Research Statistical Issues in Designing Clinical Research - . 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Quantitative vs. Qualitative: Methods and Process The scientific method, also known as a priori or pre-established design.  4 R $ KT XAYM( "n R $ SJqO& U "n R $ 2N[q The goal of statistics is to help researchers organize and interpret the data. The function of statistics in research is to purpose as a tool in conniving research, analyzing its data and portrayal of conclusions there from. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Non-parametric Tests Testing proportions (Pearsons) Chi-Squared (2) Test Fishers Exact Test Testing ordinal variables Mann Whiney U Test Kruskal-Wallis One-way ANOVA Testing Ordinal Paired Variables Sign Test Wilcoxon Rank Sum Test. 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. 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