Psychology: Chapter 2 -- Research Methods

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Cards In This Set

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Determinism
The first canon of Science. The idea that the universe isn't random and that there is order.
Empiricism
The second canon of Science. The best way of figuring out these orderly principles is by collecting data and making observations.
Parsimony
The third canon of Science. The idea that if there are two competeing theories that successfully do a good job at explaining a set of empirical observations, we should choose the simpler of the two.
Testability
The fourth canon of Science. The idea that a scientific theory must be tedtable
The Scientific Method
HOMER: Hypothesize, Operationalize, Measure, Evaluate and Replicate/revise/report.
Descriptive Studies
Studies that involve observing and classifying behaviour.
Naturalistic Observation
A type of descriptive study where the observer naturally observers behaviour without altering it.
Participant Observation
When the observer is involved in the situation being studied.
Correlational Studies
Does not involve any manipulation. You look at two variables and see if there is any relationship between the two variables.
Third variable problem (assoc. with correlational studies)
The third variable problem refers to the fact that there may bw some other variable that we haven't considered that may be causing changes in A and B variables.
Directionality problem (assoc. with correlational studies)
When we can't say whether A is causing B or B is causing A.
Independent Variable
Variable that is being manipulated in a study in order to see its impact on the dependent variable.
Dependent variable
What is being measured in order to see how it is affected by the independent variable.
Confound
Anything that may unintentionally vary along with the independent variable.
The Hawthorne Effect
Whether or not the experimentees are aware that they are being observed or not.