'Independent variable ' diaporamas de présentation

Experiment Basics: Designs

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Research Hypotheses and Questions

Research Hypotheses and Questions. Research Hypotheses and Questions. Research hypotheses Directional Is a prediction of a study outcome. First grade girls will perform better on a reading comprehension test than first grade boys.

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Research Hypotheses and Questions

Research Hypotheses and Questions. Research Hypotheses and Questions. Research hypotheses Directional Is a prediction of a study outcome. First grade girls will perform better on a reading comprehension test than first grade boys.

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Two Factor ANOVA

Two Factor ANOVA Greg C Elvers Factorial Designs Often researchers want to study the effects of two or more independent variables at the same time Does it matter where a list of words is studied, on the beach or under water?

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The Simple Regression Model

The Simple Regression Model y = b 0 + b 1 x + u Some Terminology In the simple linear regression model, where y = b 0 + b 1 x + u , we typically refer to y as the Dependent Variable, or Left-Hand Side Variable, or Explained Variable, or Regressand Some Terminology, cont.

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The Politics Behind Study Abroad

The Politics Behind Study Abroad. Michael Rothschild PLSC 374: Dr. Wang. Abstract.

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SWBAT: Describe how to conduct a controlled experiment

SWBAT: Describe how to conduct a controlled experiment Methodology Question(Problem) Hypothesis ( If-Then statement ) Research Design experiment Conduct Experiment & Collect Data

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The Nature of Science & Science Skills

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Welcome to Econ 420 Applied Regression Analysis

Welcome to Econ 420 Applied Regression Analysis. Study Guide Week Six. The F-Test of Overall Significance of Equation. Testing to see if, in general, our equation is any good at all. Step 1: State the null and alternative hypotheses.

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Identifying Variables & Designing Investigations

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What it Takes to Make History

What it Takes to Make History Torbjorn Bjering Ho-Jung Hsiao Eric Griffin Chun-Hung Lin Gulsah Gunenc Gaoyuan Tian Laura Braeutigam Table of Contents Introduction Brief Summary Descriptive Statistics Exploratory Data Analysis Statistical Analysis Conclusions Introduction

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The t Test for Two Independent Samples

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Quasi-Experimental Designs

Quasi-Experimental Designs. Quasi-Experimental Designs. Intermediate between correlational study and true experiment. More than a relationship between variables. Low internal validity = cannot determine causality.

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POLS 373 Foundations of Comparative Politics

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The Scope of Psychology

The Scope of Psychology. Psychology can be defined as the scientific study of behavior and mental processes . Includes the application of the science to human problems. Psychology as a science: It is systematized knowledge that is gathered by carefully observing and measuring events.

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Graphs

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SCIENCE SKILLS

Magic Grow Capsule Questions. Does the color of the capsule affect how long it takes the toy to change shape? What is the effect of adding substances ...

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Experiments

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Scientific Method:

Scientific Method:. Science is ultimately based on observation (perceiving objects or events using one of the five senses) Observations often lead to questions ---> which lead to experiments to answer the questions.

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