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General Psychology Week 2 Notes

by: JessyB

General Psychology Week 2 Notes PSY 1410

Marketplace > Psychlogy > PSY 1410 > General Psychology Week 2 Notes
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About this Document

Week 2 Class 2 Notes Scientific method Research methods Use of statistics in descriptive studies Lots of terminology
General Psychology
Dr Catherine Crooks
Class Notes
General Psychology, PSY 1410, psych, Dr. Crooks
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This 2 page Class Notes was uploaded by JessyB on Thursday January 28, 2016. The Class Notes belongs to PSY 1410 at a university taught by Dr Catherine Crooks in Spring 2016. Since its upload, it has received 19 views.


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Date Created: 01/28/16
Week 2 Notes Thursday, January 28, 2016 (Professor Dr. Catherine Crooks) Ch. 1 Pt. 2 Research in Psychology Scientific Method 1. Formulate testable questions ??  Develop a hypothesis 2. Design a study to collect data  Experimental  Observational o *Must be as specific as possible when designing a study. o Consider: How are you going to measure? 3. Analyze data to arrive at conclusions  Use of statistical procedures Terminology:  Hypothesis o Tentative statement about the relationship between two or more variables.  Variables o Any measureable event, characteristic, condition, behavior, etc. that is controlled and observed in a study.  *If you can’t define it, you can’t measure it.  Operational Definition o Defines variables in terms of how it is to be measured and/or manipulated.  In class example: Tom & Jerry, tally of aggressive acts  Descriptive Methods o Describe and predict behavior (can be correlational). Research Methods 1. Case Study/ Case History  Detailed description of an individual being studied. 2. Observational (Naturalistic or Laboratory)  Observe, measure and record a behavior 3. Psychological Tests  Indirect measure of traits, emotional states, aptitude, IQ, etc. 4. Surveys  Directly ask for an opinion, attitude, experience, etc. 5. Correlational Study  Studies the relationship between two or more variables  Direct way to test hypothesis and cause-effect relationships between variables Use of Statistics in Descriptive Studies Terminology:  Statistics o Use of mathematics to organize, summarize, and interpret numerical data.  Mean o Average, could possible be skewed by outliers  Median o The number found in the middle of the data set  Mode o Most frequently occurring score  Positive Correlation o Direct relationship between variables  In class example: Variables are high to high/ low to low.  Negative Correlation o Indirect/ inverse relationship between two variables  In class example: Variables are high to low/ low to high.  Correlation Coefficient o Ranges from -1 to 1, with -1 representing a perfect negative relationship, 0 representing no correlation, and 1 representing a perfect positive correlation.


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