PSY 201 Marshall University Ch. 1-4 (Questions and answers) LATEST UPDATE
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Module
PSY 201 Marshall University Ch. 1-4
Institution
PSY 201 Marshall University Ch. 1-4
Methods of Research - ️️Descriptive Studies, Longitudinal Studies, Cross-Sectional
Studies, Correlation Studies, Observational techniques, Case studies, and Response
performance
Nature/Nurture - ️️whether psychological characteristics are biologically innate or
acquired through educatio...
PSY 201 Marshall University Ch. 1-4
Methods of Research - ✔️✔️Descriptive Studies, Longitudinal Studies, Cross-Sectional
Studies, Correlation Studies, Observational techniques, Case studies, and Response
performance
Nature/Nurture - ✔️✔️whether psychological characteristics are biologically innate or
acquired through education, experience, and culture.
Types of Psychologists - ✔️✔️Biological, Cognitive, Experimental, Social, Cultural,
Clinical, Counseling, School, and Industrial/Organizational Psychologists
What is Replication? - ✔️✔️Repetition of an experiment to confirm the results.
Independent Variable - ✔️✔️the variable that is manipulated by the experimenter to
examine its impact on the dependent variable.
Dependent Variable - ✔️✔️the variable that is affected by the manipulation of the
independent variable
Single Blind Studies - ✔️✔️the experimenter (or observer) is aware of who or what
belongs to the control group and the experimental group
Double Blind Studies - ✔️✔️the experimenter is not aware of who/what belongs to
which group
Theory - ✔️✔️is a model of interconnected ideas or concepts that explains what is
observed and makes predictions about future events.
Hypothesis - ✔️✔️is a specific prediction of what should be observed if a theory is
correct
Random Sampling - ✔️✔️Random Sampling
Random Assignment - ✔️✔️Participants are assigned at random to the control group or
the experimental group
Participants are assigned at random to the control group or the experimental group -
✔️✔️is a statistical measure of how far away each value is, on average, from the
mean.
Positive Correlation - ✔️✔️is a direct relationship where as the amount of one variable
increases, the amount of a second variable also increases.
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