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Design of experiments

Unit 2 AP Psychology

Subject: 
Psychology
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Causal inference
Design of experiments
Knowledge
Metaphysics
Scientific method
Psychometrics
Covariance and correlation
Experiments
Confounding
Statistics
Descriptive statistics
Correlation coefficient

UNIT 2 NOTES: Research Methods The Need for Psychological Science Critical Thinking thinking that does not blindly accept arguments and conclusions examines assumptions discerns hidden values evaluates evidence Three hurdles that tend to skew our logic: Hindsight Bias The tendency to believe, after learning the outcome, that you knew it all along Overconfidence We tend to think we know more than we do The Barnum Effect It is the tendency for people to accept very general or vague characterizations of themselves and take them to be accurate Applied V. Basic Research Applied Research has clear, practical applications. Basic Research explores questions that you may be curious about, but not intended to be immediately used The Scientific Method Theory

AP Stats ch A Variance Analysis

Subject: 
Statistics
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Descriptive statistics
Statistics
Probability and statistics
Statistical tests
Parametric statistics
Analysis of variance
Design of experiments
Normal distribution
F-test
Student's t-test
Variance
One-way analysis of variance

Chapter Number and Title 813 Post-Exam Topic Analysis of Variance chap15.2EY 7/31/02 2:41 PM Page 813 A 814 Chapter Number and Title W. EDWARDS DEMING Statistics in the Service of Quality From one point of view, statistics is about understanding variation. Reducing variation in products and processes is the central theme of statistical quality control. So it is not surprising that a statistician should become the leading guru of quality management. In the final decades of his long life, W. Edwards Deming (1900?1993) was one of the world?s most influential con- sultants to management. Deming grew up in Wyoming and earned a doctorate in physics at Yale. Working for the U.S. Department of Agriculture in the 1930s, he became

Biostatistic

Subject: 
Statistics
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Statistical hypothesis testing
Statistical tests
Nonparametric statistics
U-statistics
Design of experiments
Wilcoxon signed-rank test
Student's t-test
Mann–Whitney U test
Sign test
P-value
Null hypothesis
Chi-squared test

Biostats Notes Section 2: Error I and II: State of nature: 1% of population has a disease Type I error rate =0.05 (false positive rate) Type II error rate = 0.10 (detection rate = 0.90) If someone has a positive test, what is the probability of the person having the disease? What are consequences of Type I and II errors? Testing a drug for a potential benefit? Testing a drug for harmful side effects? Which error is more serious? 10/24 T-Test: One Sample T-Test: T-statistic: Null Hypothesis: ? = C The sample mean does not differ from the known population mean. Degrees of freedom: df=n-1 Independent samples / Two-sample T-Test: Null Hypothesis: ?1 = ?2 The means do not differ. Degrees of Freedom (df=n1+n2-2):

Chapter 11 Test written for Practice of Statistics (Yates, Starnes and Moore) 4th edition

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Statistics
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Statistics
Statistical tests
Hypothesis testing
Statistical inference
Design of experiments
Categorical data
Statistical hypothesis testing
P-value
Null hypothesis
Student's t-test
Goodness of fit
F-test

Honors Statistics: Chapter 11 Test name___________________ Multiple Choice 1. From experience, the owner of an ice-cream shop has found that 60% of all sales of ice-cream cones are for one-scoop cones, 30% are for two-scoop cones, and the remaining 10% are for three-scoop cones. Recently, the shop added frozen-yogurt cones to its menu. A random sample of 250 sales of frozen-yogurt cones revealed the following distribution: The owner wishes to know whether the pattern of sales for frozen-yogurt cones differs from that of ice-cream cones. In a goodness-of-fit test based on the ?2 distribution, the expected count for "number of two-scoop frozen-yogurt cone sales" would be A. 84. B. 75. C. 83.33.

Environmental Sceince Voc.

Subject: 
Environmental Science
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Science
Design of experiments
Statistics
Behavior
Hypothesis testing
Statistical inference
Scientific method
Evaluation methods
Statistical hypothesis testing
Experiment
Attachment theory
Hypothesis
Environment
Technology

Environmental Science Voc. Mrs. Potts Conservationist- a person who limits there usage of resources for future generations Economist- a person who doesn?t care about protecting the environment and lives for today Preservationist- a person who chooses not to do anything to damage the environment Experiment - a recorded way to test a hypothesis Meniscus ? the bubble of fluids measured from the bottom of meniscus (eye level) Hypothesis ? educated guess Inference- to take data and create a hypothesis Analyze- to decipher out what data means Data- recorded information about experiment Pipette ? a tool used to take samples also used to measure fluids Conclusion ? end result from testing and analyzing Turbid ? dirty cloudy water EPA ? Environmental Protection Agency

Environmental Sceince Voc.

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Environmental Science
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Science
Design of experiments
Statistics
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Hypothesis testing
Statistical inference
Scientific method
Evaluation methods
Statistical hypothesis testing
Experiment
Attachment theory
Hypothesis
Environment
Technology

Environmental Science Voc. Mrs. Potts Conservationist- a person who limits there usage of resources for future generations Economist- a person who doesn?t care about protecting the environment and lives for today Preservationist- a person who chooses not to do anything to damage the environment Experiment - a recorded way to test a hypothesis Meniscus ? the bubble of fluids measured from the bottom of meniscus (eye level) Hypothesis ? educated guess Inference- to take data and create a hypothesis Analyze- to decipher out what data means Data- recorded information about experiment Pipette ? a tool used to take samples also used to measure fluids Conclusion ? end result from testing and analyzing Turbid ? dirty cloudy water EPA ? Environmental Protection Agency

Test: Intro to science

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Biology
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Statistics
Design of experiments
Experiment
Statistical hypothesis testing
Variable
Technology

1. The work of scientists begins with a. testing a hypothesis. b. careful observations. c. creating experiments. d. drawing conclusions. 3. A controlled experiment allows the scientist to isolate and test a. a conclusion b. a mass of information. c. several variables. d. a single variable. 5. A well-tested explanation that unifies a broad range of observations is a(an) a. hypothesis. b. theory. c. inference. d. controlled experiment. 6. All of the following are characteristics of all living things EXCEPT a. growth. b. reproduction. c. movement. d. use energy. The process by which organisms keep their internal conditions relatively stable is called a. homeostasis. b. evolution c. metabolism. d. photosynthesis.

Scientific Method Outline

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Biology
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Science
Philosophy of science
Knowledge
Scientific method
Design of experiments
Psychometrics
Hypothesis testing
Statistical hypothesis testing
Hypothesis
Experiment
Reproducibility
Testability
Technology
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Scientific Method Outline

Scientific method - processes by which scientists conduct investigations * There is no one "scientific method". Scientists actually use a variety of techniques to learn more about the world around us. However, many experimental studies would recognize the following steps: A. Statement of the problem B. Hypothesis formation - An "educated guess" C. Experiment 1. experimental group 2. control group D. Collection of data E. Analysis of results F. Conclusion - Reject or accept the hypothesis G. Communication of findings * Considerations pertaining to the scientific method: A. Hypothesis must be testable B. Sample size must be sufficiently large C. Experiment must have proper controls D. Experiment must be reproducible
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