PPT-Experiments: Part 1

Overview How do experiments differ from observational studies What are the three main variables we need to consider in experimental research What are the similarities and differences between betweengroup and withinsubject experiments. 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.. T. he Murder of Handicapped. 1 September 1939. Reich leader Philip . Bouhler. and Dr. Brandt are charged with responsibility for expanding the authority of physicians, to be designated by name, to the end that patients considered incurable according to the best available human . . 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. Ernest Rutherford. Determined the structure of the atom. First to split the atom. Hans Geiger . Inventor of the Geiger counter to measure radiation. Ernest Marsden. Found that a few scattered alphas at angle over 140 degrees from the beam. 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. 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. 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!. Ronny Kohavi, 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. At Amazon, Greg Linden had the idea of showing recommendations based on cart items. 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. 8 The experiment should be conducted only by scientifically qualified persons The highest degree of skill and care should be required through all stages of the experiment of those who conduct or engag 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. John Hey. The first in a. . course of lectures given at the University of Economics, . Ho. Chi Minh City . Lecture . 1, 20. th. July . 2022. John Hey. Who am I?. I am . John Hey. I am at the University of York and have been there for some 48 years. I am now Emeritus Professor of Economics and Statistics.. 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. .