statistical methods in research ppt

(n1 0?N) N!/(n1! We've updated our privacy policy. If so, share your PPT presentation slides online with PowerShow.com. You can read the details below. - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Free access to premium services like Tuneln, Mubi and more. Practical Statistics for Medical Research, Correlation Correlation Coefficient .7 Correlation Coefficient -.5 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. Clipping is a handy way to collect important slides you want to go back to later. Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. By accepting, you agree to the updated privacy policy. In doing so, the statistician seeks to limit bias, maximize objectivity, and obtain results that are scientifically valid. You can read the details below. - 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. 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. Walker, Glenn A., and Jack Shostak. Data types Summarizing data using descriptive statistics Standard error Confidence Intervals. REACH Resources | Informing more effective humanitarian action We've encountered a problem, please try again. Clinical Research Methods - . Tap here to review the details. 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. The independent variable usually occurs earlier in time than the dependent variables. 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. ! " Typically 0.05 is used, Errors Type II error Claiming there is no difference between two samples when in fact there is. u " ` / 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 @ . Each step is of length, axis must be x ml where m a positive or a, Question After N steps, what is the probability. - Chapter 1: Introduction and Research Methods What is Psychology? It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. - 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. STATISTICS IN Overview. Many of them are also animated. They, So, its very important to spend some time on. 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. lt(?n1)2gt (in general). 5. Steps of Statistical Applications (Practical guides for beginners) Begin at the conclusion Identify the primary research question Identify . diana trandabat 2013-2014. cky parsing. What is the mean displacement, ltxgt ltmgtl? Tap here to review the details. CCPR offers "drop-in" statistical consulting services to meet short-term needs of CCPR affiliates. Chapter 2 - Summary. 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. 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, ? 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. Click here to review the details. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. 1994. page 99 There were statistically significant different biostatistics 212. today. Sz_]WMi4}S:4c_KC%. Brief description about Descriptive statistics for dummies with solved examples. 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 ANALYSIS Now customize the name of a clipboard to store your clips. They are all artistically enhanced with visually stunning color, shadow and lighting effects. Now customize the name of a clipboard to store your clips. In fact, statistical methods dominate the scientific research as they include planning, designing, collecting data, analyzing, drawing meaningful interpretation and reporting of research findings. P Values and Confidence Intervals P values provide less information than confidence intervals. Free access to premium services like Tuneln, Mubi and more. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. RESEARCH (PART 1 (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. 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. Test about a slope. 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. DESCRIPTIVE). For qualitative data, you can use methods such as thematic analysis to interpret patterns and meanings in the data. The dependent variable is always the property you are trying to explain; it is always the object of the research. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. Confidence Intervals May be used to assess a single point estimate such as mean or proportion. 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. Activate your 30 day free trialto unlock unlimited reading. 2022 in a Nutshell Reminiscing the year when opportunities were seized and feats were achieved! Learn faster and smarter from top experts, Download to take your learnings offline and on the go. 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. Free access to premium services like Tuneln, Mubi and more. The unit staff provide advice about what to do and how to do it as well as . chapter 7(7.1 &7.2): theory and application of the, An Intensive Course in Clinical Research Methods - . They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. qlrFFQ~]$M\I%?TI%)345 NKaa#>:Gc Sample Size Calculation Also called power analysis. 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. 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. 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. A measure of the precision of a sample in estimating the population parameter. Click here to review the details. data sharing / standardization. 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. (n1 0?N) N!/(n1!n2! The function of statistics in research is to purpose as a tool in conniving research, analyzing its data and portrayal of conclusions there from. It appears that you have an ad-blocker running. al. Now customize the name of a clipboard to store your clips. Also called the error. ? - Chapter 10: Inference from Small Samples Introduction When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. - 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. Activate your 30 day free trialto continue reading. Introduction to Statistical Computing in Clinical Research - . If so, just upload it to PowerShow.com. Chapter 1 Introduction. - Introduction to Statistics 1.1 An Overview of Statistics 1.2 Data Classification 1.3 Experimental Design * Larson/Farber 4th ed. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Test to compare several means. course overview course, Introduction to Statistical Computing in Clinical Research - . Statistical Methods in Clinical Trials - . We've encountered a problem, please try again. 3 !1AQa"q2B#$Rb34rC%Scs5&DTdEt6UeuF'Vfv7GWgw 5 !1AQaq"2B#R3$brCScs4%&5DTdEU6teuFVfv'7GWgw ? So, the relative, ? By accepting, you agree to the updated privacy policy. 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. ; The sampling interval, i, is determined by dividing the population size N by . types of data. You might even have a presentation youd like to share with others. The goal of statistics is to help researchers organize and interpret the data. - STAT 13, UCLA, Ivo Dinov. marcia a. testa, mph. I can advise you this service - www.HelpWriting.net Bought essay here. need to solve 1023, Quantum Schrdingers Equation ?? The independent variable is often seen as influencing, directly or indirectly, the dependent variable. [A}?-wm}. Sample Size for Continuous Data Stata input: Mean 1 = 20, mean 2 = 30, = .05, power (1-) =.8, std. continuous data. Errors Type I error Claiming a difference between two samples when in fact there is none. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. 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. 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. During her talk, Li will share personal and . 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 (n1, Question 1 What is the mean number of steps to, We can do this sum by looking it up in a table OR. N atoms, each with magnetic moment . Do not sell or share my personal information, 1. B^uuhm?}{].~}v_J;xogJY]@.)oqC? christopher s. coffey. Princy Francis M The probability of stepping to, to the left is q 1 p. In general, q ? ziad taib biostatistics astrazeneca february 22, 2012. types of data. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. BIOS:6610 STATISTICAL METHODS IN CLINICAL TRIALS - . Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. Statistical methods are essential for scientific research. ? collection, statistical analysis, and making appropriate inferences from the data. then given by the fraction of these experiments in which two . 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 . 10. uji hipotesis. Overview. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. continuous blood pressure time to event. 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. You never know which directions study results will go. 3. 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. Types of data Continuous data Theoretically infinite possible values (within physiologic limits) , including fractional values Height, age, weight Can be interval Interval between measures has meaning. Sometimes, u is called the 1st moment of P(u). 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. PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. dev. I am looking for Editing/ Proofreading services for my manuscript large data, Statistical Methods - . Ist Yr MSc(N) Test of Strength & Direction of Linear Relationship of 2 Quantitative Variables. 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. Activate your 30 day free trialto continue reading. 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. When designing a study, one needs to determine how large a study is needed. Four hundred and twenty nine participants were selected randomly using stratified sampling followed by lottery method. (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! Here, you can use descriptive statistics tools to summarize the data. 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 ? - Chapter 8: Introduction to Find the lower and upper confidence limits. Comparative descriptive survey research design was employed to answer the research questions raised. Looks like youve clipped this slide to already. ? For example, suppose we measure the weight of 100 patients in a study. Similarly, we can, Of course, ltn1gt ltn2gt N(p q) N as it. +KRs8@f Pdk )px!` mC#07jd}c^ ! Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. Descriptive Statistics Descriptive statistics are methods for organizing and summarizing data. We've updated our privacy policy. need to solve. And, best of all, it is completely free and easy to use. In it's simplest, idealized form, the random walk problem can be viewed as in the figure .  4 R $ KT XAYM( "n R $ SJqO& U "n R $ 2N[q 3rd edition. Tap here to review the details. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. P values, Statistical Methods in Clinical Research James B. She is currently a Learning / Research Analyst, working in the Centre for Learning Environment and Assessment Development (CoLEAD) at Singapore Institute of Technology (SIT). Cathy Walker. Data presentation can also help you determine the best way to present the data based on its arrangement. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. @ 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 &( . The scientific study of behavior and mental processes Philosophical Developments A Question Introduction%20linkage%20analysis,%20Genetic%20markers,%20mapping%20functions%20Lecture%203. Statistical Methods. Practical Statistics for Medical Research. Standard error measures the precision of the estimate of a population parameter provided by the sample mean or proportion. 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 We focus on methods in eight areas of statistical research and maintain expertise in each. (Pearsons) Chi-Squared (2) Test Used to compare observed proportions of an event compared to expected. Clinical Research Methods - . @ n ? " 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 (!) - PowerPoint PPT presentation Number of Views: 637 Avg rating:3.0/5.0 Slides: 67 Provided by: Charles7 Ratio of two interval data points has no meaning Temperature in celsius, day of the year). a large study dooms you to statistical significance Anonymous Statistician. And, again, its all free. Most research studies result in a extensive. Two main statistical methods are used in data analysis: descriptive statistics, which summarizes data using indexes such as mean and median and another is inferential statistics, which draw conclusions from data using statistical tests such as student's t-test. {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 Would need to do pair-wise tests. 3. biostatistics 212 lecture 1. today. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: Clinical Research Methods - . Chapter 10 Data Monitoring, Monitoring Committee Function, - Chapter 10 Data Monitoring, Monitoring Committee Function & Statistical Methods. 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. 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. Statistical research is the rigorous development of improved or new statistical methods grounded in probability and statistical theory. strongly agree, agree, neither agree or disagree, etc. 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) ? 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. Practical Statistics for Medical Research, Correlation Correlation Coefficient .3 Correlation Coefficient 0 Source: Altman. Looks like youve clipped this slide to already. In inferential statistics, we are generally using a sample. Is the most common value More frequently used to describe the distribution of data Uni-modal, bi-modal, etc. Analysis of Variance Used to determine if two or more samples are from the same population- the null hypothesis. One-sided vs. Two-sided Most tests should be framed as a two-sided test. > @=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 Statistics presents a rigorous scientific method for gaining insight into data. Research Scholar at Indian Institute of Technology, Madras. 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). This analysis doesnt take into. Table of contents Methods for collecting data Examples of data collection methods Methods for analyzing data Clinical Investigation and Outcomes Research Statistical Issues in Designing Clinical Research - . Clipping is a handy way to collect important slides you want to go back to later. ? Schedule Introduction Data Analysis--Introduction Data Collection Instruments Issues in Research Design Sample Size Sources of Error So, we need to divide the result by n1!n2! Usually used for 3 or more samples. course overview course. Remember there is variability among samples- they might seem to come from different populations but they may not. Use of emergent design utilizing constant comparison and revision. H H JFIF H H Adobe_CM Adobe d Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. 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. James B. Free access to premium services like Tuneln, Mubi and more. Hidden error because cant be detected without a proper power analysis. 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.

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