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Research Methods

by: Rebecca Glantz

Research Methods PSYC 101

Marketplace > Towson University > Psychlogy > PSYC 101 > Research Methods
Rebecca Glantz
GPA 3.0
Introductory Psychology
Dr. Willen

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About this Document

These are the basic research methods used in Psychology-and how they work.
Introductory Psychology
Dr. Willen
Class Notes
Psychology, Intro to Psychology, Psych 101, 101 psychology, research methods, chapter 2, psych
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This 3 page Class Notes was uploaded by Rebecca Glantz on Sunday September 13, 2015. The Class Notes belongs to PSYC 101 at Towson University taught by Dr. Willen in Spring 2015. Since its upload, it has received 35 views. For similar materials see Introductory Psychology in Psychlogy at Towson University.

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Date Created: 09/13/15
1 Experiments 0 ExperimentA controlled test of hypothesis in which the researcher manipulates one variable to discover the effects on another variable while holding all conditions constant 2 0 An experiment is looking for a cause Hypothesis what you believe to be true a statement that attempts to predict or to account for a set of phenomena scientific hypothesis specifies a relationship and are empirically tested If This Then Thatquot CauseEffect Experimental Group All the same conditions as the Control Group Researcher does something to manipulate Exposed Control Group All the same conditions as the Experimental group Given a placebo or not really tried Not Exposed To see if independent variable made a change to the dependent variable Variable Some thing that can be tested Independent Variable The Researchers Manipulation Dependent Variable Reaction to the researchers manipulation Outcome Random Assignment Participants are randomly assigned too one of two groups SingleBlind Study Participant doesn t know if they are a part of the experimental group or the control group Quasi Experiment Resembles a true Experiment but they lack the element of random assignment to treatment or control 3 Correlational 0 Experiment Not looking for a Cause Looking for a relationship between two or more variables Calculating the strength of a relationship NO INDEPENDENT OR DEPENDENT VARIABLES NO MANIPULATION Correlation Coefficientsmeasures strength of a relationship Symbol r Positive Correlation The Scores go in the same direction AAvv Negative Correlation The scores go in opposite directions AvAv O O Scatter plot 100 8 360 460 560 0 Positive Correlation 250 Negative Correlation Survey 0 Ask Questions Directly Representative Sample a sample of population that pertains to info being questioned Volunteer Bias The bias that can come from a particular sample that only contains participants willing to participate in a study or experiment Naturalistic Study 0 Studies that have researchers going to the natural setting Lab Study 0 Recreates the Natural setting Observational o Bobo the Clownquot Case Study 0 lnDepth interview gives a detailed description on a particular individual Gather Info through Psychological testing or evaluation Needs to be ValidReliable ValidProduces desired results Reliable Produces the same result time after time Millon Clinical addresses several perspectives of an individual Meyers Briggs Personality test Statistics 0 O O 0 Descriptive measures of central tendency measures of variable range 0 Inferential applied to experiments more complicated formulas determines if the result is statistically significant Outcome didn t occur by chance


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