PSY 230 NAU - Exam 1 Questions and Answers with complete solution
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Course
PSY 230 NAU
Institution
PSY 230 NAU
PSY 230 NAU - Exam 1
independent variable - ️️the variable being manipulated between the groups in the
experiment
dependent variable - ️️The measurable effect, outcome, or response in which the
research is interested.
Sampling error - ️️slightly different in data due to chance and ...
PSY 230 NAU - Exam 1
independent variable - ✔️✔️the variable being manipulated between the groups in the
experiment
dependent variable - ✔️✔️The measurable effect, outcome, or response in which the
research is interested.
Sampling error - ✔️✔️slightly different in data due to chance and not an actual error
Nominal Scale - ✔️✔️no rank and categorical
Ex. Male or female
Ordinal Scale - ✔️✔️Categorical, with a rank and no magnitude
Ex. 1st place, 2nd place, 3rd place, etc
Interval Scale - ✔️✔️Continuous scale with magnitude and no true zero
Ex. Temperature in Celsius and Fahrenheit
Ratio Scale - ✔️ Four ways of knowing - ✔️✔️intuition = sudden thought that comes to
you, eureka moment
Rationalism = reasoning, if tall people are nice and john is tall then he is nice
authority = someone told you so, higher position
Empiricism = observation, scientific method
✔️Continuous scale with magnitude and a true zero
Ex. Kelvin Temp (there is such thing has having a zero degrees, no heat at all)
Range - ✔️✔️best used to measure variability
Relative Frequency - ✔️✔️% of total scores in each bin
Cumulative Frequency - ✔️✔️how many scores face below upper real limit of the
interval
Cumulative Percentage - ✔️✔️% of the scores that fall below the upper real limit of
interval
Extraneous Variable - ✔️✔️any variable related to the outcome (DV) that isn't of to the
researcher
Confound Variable - ✔️✔️a type of extraneous variable, but related to the IV
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