Psychology Midterm--Research Methods

Get ready for the mid

27 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
Variable in an experiment that is manipulated
Independent variable
Variable in an experiment or study that is measured
Dependent variable
What three things make human behavior difficult to study?
complexity (human brain is very complex) variability (no two ppl think or act the same under the same conditions) reactivity (ppl react different when being watched than they do on their own)
A description of an abstract property in terms of a concrete condition that can be measured
Operational definition
A device that can detect the events to which an operational definition refers
Measure
The characteristic of an observation that allows one to draw accurate inferences from it
Validity
The tendency for a measure to produce the same result whenever it is used to measure the same thing
Reliability
The complete collection of objects or event that might be measured
Population
The "most frequent" measurement in a frequency distribution
Mode
The average of the measurements in a frequency distribution
Mean
The "middle" measurement in a frequency destribution
Median
The numerical difference between the smallest and leargest measurements in a frequency distribution
Range
A method of gathering scientific knowledge by unobtrusively observing people in their natural environments
Naturalistic observation
What two things can influence the experiment to an observer that is not a "blind observer"?
Expectations can influence observations] expectations can influence reality
An observation whose true purpose is hidden from the researcher as well as from the participant
Double-blind