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Design of experiments

STATS PRACTICE

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Statistics
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Regression analysis
Design of experiments
Econometrics
Statistical dependence
Dependent and independent variables
Correlation and dependence
Scatter plot
Coefficient of determination
Statistics
Causality
Confounding
Plot

AP Statistics Name ____________________________________________ Chapter 4 Practice Test Part I - Multiple Choice Suppose that the scatterplot of (log x, log y) shows a strong positive correlation Which of the following must be true? The variables x and y also have a correlation close to 1. A scatterplot of (x, y) shows a strong nonlinear pattern. The residual plot of the variables x and y shows a random pattern. I only II only III only I and II I, II, and III What is the purpose of residual plots? To determine causation. To assess the type of relationship that exists between x and y. To check the appropriateness and fit of the regression equation for the data. To measure the variability in the residuals. To provide predictions for the response variable.

Myers' Psychology for AP - Unit 2 Flashcards2

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Psychology
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Evaluation methods
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Design of experiments
Research
scientific method
Psychology
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experiment
G factor
health
Technology

HINDSIGHT BIAS Unit #2: Research CRITICAL THINKING Unit #2: Research THEORY Unit #2: Research Methods HYPOTHESIS Unit #2: Research Methods OPERATIONAL DEFINITION Unit #2: Research Methods REPLICATION Unit #2: Research Methods CASE STUDY Unit #2: Research Methods SURVEY Unit #2: Research Methods POPULATION Unit #2: Research Methods RANDOM SAMPLE Unit #2: Research Methods NATURALISTIC OBSERVATION Unit #2: Research Methods CORRELATION Unit #2: Research Methods CORRELATION COEFFICIENT Unit #2: Research Methods SCATTERPLOT Unit #2: Research Methods ILLUSORY CORRELATION Unit #2: Research Methods EXPERIMENT Unit #2: Research Methods RANDOM ASSIGNMENT Unit #2: Research Methods DOUBLE-BLIND PROCEDURE Unit #2: Research Methods PLACEBO EFFECT

Myers' Psychology for AP - Unit 2 Flashcards1

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Psychology
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health

The tendency to believe, after learning an outcome, that one would have foreseen it. (Also known as the I-knew-it all-along-phenomenon) *Example: September 11th Thinking that does not blindly accept arguments and conclusion. Rather, it examines assumptions, discerns hidden values, evaluates evidence, and assesses conclusion. *Example: An explanation using an integrated set of principles that organizes observations and predicts behaviors or events. *Example: A testable prediction, often implied by a theory. *Example: A statement of the procedures (operations) used to define research variables. *Example: Human Intelligence may be operationally defined as what ban intelligence test measures.

Chapter 2: Psychology: Themes and Variations, Canadian Edition

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Psychology
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Design of experiments
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Psychological research Operational definition: describes the operation that will be used to measure or control a variable Aim of good scientific research is a) clarity and precision and b) relative intolerance of error Peer-reviewed articles have strict guidelines for publishing Scientific theories are unfinished; studies give credibility to the claim, not prove it Multiple studies decrease the likelihood of statistical anomaly Research methods Experimentation: manipulation of an independent variable under carefully controlled conditions Pros: control; can observe cause-and-effect Cons: can be artificial; ethical concerns Direct observation: observers watch and record behaviour as objectively and precisely as possible with no/minimal interference Pros: minimizes artificiality

Chapter 7: Psychology: Themes and Variations, Canadian Edition

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Psychological research Operational definition: describes the operation that will be used to measure or control a variable Aim of good scientific research is a) clarity and precision and b) relative intolerance of error Peer-reviewed articles have strict guidelines for publishing Scientific theories are unfinished; studies give credibility to the claim, not prove it Multiple studies decrease the likelihood of statistical anomaly Research methods Experimentation: manipulation of an independent variable under carefully controlled conditions Pros: control; can observe cause-and-effect Cons: can be artificial; ethical concerns Direct observation: observers watch and record behaviour as objectively and precisely as possible with no/minimal interference Pros: minimizes artificiality

Chapter 8: Psychology: Themes and Variations, Canadian Edition

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Psychological research Operational definition: describes the operation that will be used to measure or control a variable Aim of good scientific research is a) clarity and precision and b) relative intolerance of error Peer-reviewed articles have strict guidelines for publishing Scientific theories are unfinished; studies give credibility to the claim, not prove it Multiple studies decrease the likelihood of statistical anomaly Research methods Experimentation: manipulation of an independent variable under carefully controlled conditions Pros: control; can observe cause-and-effect Cons: can be artificial; ethical concerns Direct observation: observers watch and record behaviour as objectively and precisely as possible with no/minimal interference Pros: minimizes artificiality

AP Psych Chap 1 Thinking Critically With Psychological Science

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Case study a descriptive research strategy in which one person is studied in great depth Control condition the condition of an experiment that contrasts with the experimental condition and serves as a comparison for evaluating the effect of the treatment. Correlation a statistical measure that indicates the extent to which two factors vary together and thus how well one factor can be predicted from the other. Correlations can be positive or negative. Critical thinking thinking that does not blindly accept arguments and conclusions. Rather, it examines assumptions, discerns hidden values, evaluates evidence, and assesses conclusions. Culture the enduring behaviors, ideas, attitudes, and traditions shared by a large group of people and transmitted from one

Campbell Biology Chapter 1 Study Guide

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Biology
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Hypothesis testing
Biology
Hypothesis
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evolution

Name Period Chapter 1: Introduction: Themes in the Study of Life Begin your study of biology this year by reading Chapter 1. It will serve as a reminder about biological concepts that you may have learned in an earlier course and give you an overview of what you will study this year. In the overview, Figure 1.3 recalls many of the properties of life. Label the seven properties illustrated here, and give a different example of each. Concept 1.1 The themes of this book make connections across different areas of biology What are emergent properties? Give two examples. Life is organized on many scales. Figure 1.4 zooms you in from viewing Earth from space all the way to the level of molecules. As you study this figure, write in a brief definition of each level.

Weiten Chapter 2

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Chapter 2: The Research Enterprise in Psychology Looking for Laws: The Scientific Approach to Behavior Basic assumption: events are governed by some lawful order Goals: Measurement and description Understanding and prediction Application and control Figure 2.1 Flowchart of steps in a scientific investigation Steps in a Scientific Investigation Formulate a testable hypothesis Select the research method and design the study Collect the data Analyze the data and draw conclusions Report the findings Table 2.1 Key Data Collection Techniques in Psychology Looking for Causes: Experimental Research Experiment = manipulation of one variable under controlled conditions so that resulting changes in another variable can be observed Detection of cause-and-effect relationships

The Research in Psychology

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SEQ CHAPTER \h \r 1 Grant Clay Period 3 9/2/08 AP Psychology Outline Chapter 2: The Research in Psychology Red ? Definition Blue - Important Points Green - Important People & Contributions Scientific Approach to Behavior The Scientific Approach assumes that events are governed by laws. Psychologists assume Behavior is governed by laws. (Like the Earth is governed by the law of Gravity.) 3 Goals of Scientific Enterprise Measurement & Description ? Develop Measurement techniques that describe behavior clearly and precisely. Understanding & Prediction ? Make and Test predictions called Hypothesis. Hypothesis ? Statements about the relationship between two or more variables.

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