PPT-Planning, Running, and Analyzing Controlled Experiments on the Web

Ronny Kohavi Microsoft Slides available at httpexpplatformcom Part 1 2 Amazon Shopping Cart Recs Add an item to your shopping cart at a website Most sites show the cart At Amazon Greg Linden had the idea of showing recommendations based on cart items. The tradeoff between internal and external validity. Natural sciences. In natural sciences, most experiments have been undertaken in carefully controlled laboratory conditions. Seeking laws of physics, etc.. . True Experiments. Characteristics. Threats to validity controlled by experiments. Threats not controlled by experiments. Obstacles to true experiments in the field. . Quasi-experiments. The logic of quasi-experiments . Unconscious Behavior. Criteria: . Real problem. Relevant to food (health). Actionable. Best method. Best journal. Method: . Pediatrician office flu/cold patients. 2x2: . teasp. vs. . tblsp. ; kid vs. no kid. What a Novel Idea!. Structure in The Cellist of Sarajevo. Analyzing the Structure of a Novel. Looking at specific structural choices an author has made is an often overlooked (sadly) strategy for “figuring out” the author’s philosophical purpose (aka THEME) for a novel.. Research Objective. Show direct cause & effect. Study relationships among variables for existing groups. Explain outcomes after the fact. Type of Design. True Experiment. Quasi-Experiment. Cross-Sectional. Ronny Kohavi, . GM, Experimentation Platform, Microsoft. Slides available at . http://exp-platform.com. Part 1. 2. Amazon . Shopping Cart . Recs. Add an item to your shopping cart at a website. Most sites show the cart. By. Ajinkya. . Thorve. Introduction. Advancement of tracking technologies has lead to increased data collection.. Collected data used, sold and resold for serving targeted advertisements.. Serious privacy concern!. RELATED TO NUCLEAR DATA. FOR FAST REACTOR APLICATIONS. DEN/CAD/DER/SPRC/. LEPh. . |. . Pierre Leconte. , David Bernard. , Cyrille de Saint Jean. DEN/. CAD/. DER/. SPEx. /LPE . |. Patrick Blaise, Benoit . La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . Allenoush . Hayrapetian. ahayrepe@iupui.edu . . Rajeev . Raje . rraje@iupui.edu. Computer Science Department. INDIANA UNIVERSITY-PURDUE UNIVERSITY INDIANAPOLIS. 10 February, 2018. Introduction. The goal of this research is to analyze the set of security requirements for any given software project and to provide feedback about its completeness and inherent ambiguity when evaluated with respect to a given security standard. . PPAP Meeting. Birmingham. 15 July 2009. Elisabeth Falk. University of Sussex. Def. current: running or under construction. Outline. Neutrino-oscillation experiments:. what to measure, and how. Accelerator-based experiments. . OF THE EVIDENCE-BASED MEDICINE.. THE BIOETHICAL COMITTEES.. Ethical. . e. xperiments . on . humans. . are absolutely necessary . for the progress of medicine. . Definitions. Research . . Xiaomei. Zhang. IHEP Computing . Center. Outline. Overview of IHEP experiments. General Challenges . Challenges and practice of software. JUNO Neutrino experiment . Status and challenges of computing. Margherita. . Polacci. F. . Arzilli, G. La Spina, N. Le . Gall. , . R. . Torres-. Orozco. , M. E. . Hartley. , D. Di Genova, . R. . C. . Atwood. , E. . W. . . Llewellin. , . R. . . Brooker. , H. M. .