'Extraneous variable' diaporamas de présentation

Business Research Method

Business Research Method. Experimentation. Experiment. . Experiment: A research method in which conditions are controlled so that one or more independent variables can be manipulated and their effect on dependent variable is measured .

1.09k views • 85 slides

Research Applications in Career & Technical Education

Originally developed by Dr. Jim Dyer of the University of Florida Modified by Dr. David Agnew, September, 2006 Arkansas State University. Research Applications in Career & Technical Education. Review. Overview of Research. What is research? (review) What are the types of studies?

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Research Control

Research Control. Research Control . Control that the investigator puts on the research situation and the subjects Control extraneous variables to determine the true relationship between the IV and DV under investigation. Extraneous Variables.

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RESEARCH METHODOLOGY

RESEARCH METHODOLOGY. (Business Research Methods). Week 8. Participant Observation. When an observer acquires firsthand data, information or knowledge by being present in the social setting under investigation

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Lecture 13 Psyc 300A

Lecture 13 Psyc 300A. Review. Confounding, extraneous variables Operational definitions Random sampling vs random assignment Internal validity Null hypothesis Type I and type II errors . Review: Confounding and extraneous variables.

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VARIABLES

VARIABLES. Concepts that are operationalized (things that vary). Because things vary, research is conducted. How or why things vary How differences in one variable are related to another. Types of Variables. INDEPENDENT/DEPENDENT CRITERION/OUTCOME DICHOTOMOUS ATTRIBUTE/ACTIVE EXTRANEOUS

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Pass in PsycInfo assignment 1

Pass in PsycInfo assignment 1. review WWW assignment 2 due next week assign partners next week practice identifying independent / dependent variables practice identifying extraneous variables / confounds Assignment 3 Variables. IV/DV/Extraneous/Confound.

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Sampling and Experimental Control

Sampling and Experimental Control. Goals of clinical research is to make generalizations beyond the individual studied to others with similar conditions or characteristics Populations larger group to which research results are generalized. Sampling and Experimental Control. Sample

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Distinguishing between Extraneous and Confounding Variables

Distinguishing between Extraneous and Confounding Variables. Extraneous Variable : Any variable that has the POTENTIAL to influence the DV in an experiment and bias the results.

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CHAPTER 5 Introduction to Experimental Research

CHAPTER 5 Introduction to Experimental Research. Chapter 5. Introduction to Experimental Research Chapter Objectives. Define a manipulated independent variable and identify examples that are situational, task, and instructional variables Distinguish between experimental and control groups

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Statistics

Statistics. Introductory class. Statistics. Review Web page and syllabus Questions and discussion Understand how statistics relates to scientific method and epistemology Realize the usefulness of statistics in the search for truth. Learning Outcomes (From syllabus).

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OCR Nationals Level 3

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Developmental Psychology

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Lecture 6 Psyc 300A

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Lecture 4: Experiment

Lecture 4: Experiment. 2011, 9, 15. How many pairs of shoes do you have in your closet?. Population mean: Sample 1 mean: Sample 2 mean: Sample 3 mean: Sample 4 mean: Why are the sample means different from population? Why different from sample to sample?

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Evaluating Claims Through Research Design Analysis

By Lisa Bauer. Evaluating Claims Through Research Design Analysis. Shetler Studios 244 W 54th St New York, NY . Experimental Design. Observation. Types of Design: Between Subjects Design. The sample is divided into 2 or more groups. Types of Design: Within Subjects Design.

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Methods of experimental control

Methods of experimental control. Randomization and Matching Counterbalancing Controlling participant and experimenter error. Randomization. Random selection: a representative sample Basis of generalizability or external validity Exhaustive sampling is good, but difficult

319 views • 8 slides

Confounding variable

Confounding variable. Pravin Pisudde. Definition. Also called as confounding factor lurking variable a confound Confounder is an extraneous variable in a statistical model that correlates(positively or negatively) with both the dependent variable and the independent variable.

386 views • 8 slides

Confounding variable

Confounding variable. Pravin Pisudde. Definition. Also called as confounding factor lurking variable a confound Confounder is an extraneous variable in a statistical model that correlates(positively or negatively) with both the dependent variable and the independent variable.

287 views • 8 slides

Lecture 9 Psyc 300A

175 views • 8 slides