'Independent variable' diaporamas de présentation

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The t Test for Two Independent Samples

The t Test for Two Independent Samples

The t Test for Two Independent Samples Compare means of two groups Experimental—treatment versus control Existing groups—males versus females Notation—subscripts indicate group M 1 , s 1 , n 1 M 2 , s 2 , n 2 Null and alternative hypotheses

By niveditha
(1188 views)

The Simple Regression Model

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.

By adamdaniel
(5910 views)

What it Takes to Make History

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

By jaden
(354 views)

The Nature of Science & Science Skills

The Nature of Science & Science Skills

The Nature of Science & Science Skills Test Review Research starts with a … Research question What the scientists wants to know What are the two general types of research: Experimental Descriptive Descriptive research is… Based mainly on observations

By jaden
(298 views)

Identifying Variables & Designing Investigations

Identifying Variables & Designing Investigations

Identifying Variables & Designing Investigations. 3 Kinds of Variables. Independent Variable – something that is changed by the scientist What is tested What is manipulated. 3 Kinds of Variables. Dependent Variable – something that might be affected by the change in the independent variable

By jaden
(337 views)

SWBAT: Describe how to conduct a controlled experiment

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

By omer
(502 views)

Two Factor ANOVA

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?

By MikeCarlo
(1062 views)

The Politics Behind Study Abroad

The Politics Behind Study Abroad

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

By Leo
(335 views)

Research Hypotheses and Questions

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.

By Melvin
(798 views)

The Scope of Psychology

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.

By Michelle
(1306 views)

POLS 373 Foundations of Comparative Politics

POLS 373 Foundations of Comparative Politics

POLS 373 Foundations of Comparative Politics. Banality of ‘Ethnic War’: Discussion Lecture Date: October 11, 2005. Banality of Ethnic War | Discussion. Q: What is Mueller’s central argument?. Banality of Ethnic War | Discussion. Mueller’s Position:

By Jimmy
(436 views)

Scientific Method:

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.

By ostinmannual
(316 views)

Graphs

Graphs

Graphs. How to set up successful graphs. Variables. Definition – a type of category you are trying to measure an object, event, idea, feeling, time period Types of Variables Independent Dependent. Independent Variable. A variable whose value does not depend on that of another

By adamdaniel
(308 views)

Welcome to Econ 420 Applied Regression Analysis

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.

By Thomas
(317 views)

Experiment Basics: Designs

Experiment Basics: Designs

Experiment Basics: Designs. Psych 231: Research Methods in Psychology. Due this week in labs - Group project: Methods sections IRB worksheet Group Project ratings sheet Exam 2 a week and a half away ReggieNet additions APA Handout – your GA ’ s generated a short summary of APA style tips

By Albert_Lan
(203 views)

Quasi-Experimental Designs

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.

By Ava
(822 views)

The Good Life – or Dictatorship, Depression and Genocide?

The Good Life – or Dictatorship, Depression and Genocide?

The Good Life – or Dictatorship, Depression and Genocide?. The Logic of Comparative Politics. I. Why Study Comparative Politics?. Internationalized Problems Environment – Other countries’ environmental policies affect our air, water, and soil. Chernobyl Effects.

By niveditha
(227 views)

Experiments

Experiments

Experiments. Unit 2 – Mod 5. Experiment. Carefully controlled method of investigation used to establish a cause-and-effect relationship Experimenter purposely manipulates and controls selected variables. Variables. Independent Variable (IV)

By bernad
(351 views)

Research Hypotheses and Questions

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.

By Albert_Lan
(202 views)

An Emerging Visible Minority: Muslim American Women Post 9/11

An Emerging Visible Minority: Muslim American Women Post 9/11

An Emerging Visible Minority: Muslim American Women Post 9/11. Dalal Katsiaficas New York University. Acknowledgements. Dr. Selçuk R. Ş irin Mixed-Methods Research Team The 2006 Dean’s Grant for Undergraduate Research Dr. Gigliana Melzi and Prof. Adina Schick. Emerging Visible Minority.

By MikeCarlo
(158 views)

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