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External validity is the validity of applying the conclusions of a scientific study outside the context of that study. [1] In other words, it is the extent to which the results of a study can generalize or transport to other situations, people, stimuli, and times.
Ecological validity, the ability to generalize study findings to the real world, is a subcategory of external validity. [ 6 ] Another example highlighting the differences between these terms is from an experiment that studied pointing [ 7 ] —a trait originally attributed uniquely to humans—in captive chimpanzees.
The validity of a measurement tool (for example, a test in education) is the degree to which the tool measures what it claims to measure. [3] Validity is based on the strength of a collection of different types of evidence (e.g. face validity, construct validity, etc.) described in greater detail below.
However, confounding may decrease internal validity of a study, and ethical issues may arise in studies involving high-risk. [2] For a great example of a field experiment study, see this study by Milgram, Liberty, Toledo, and Wackenhut exploring the relation between the unique spatial configuration of the queue and the means by which its ...
Validity has two distinct fields of application in psychology. The first is test validity (or Construct validity), the degree to which a test measures what it was designed to measure. The second is experimental validity (or External validity), the degree to which a study supports the intended conclusion drawn from the results.
Cross-cultural psychology is the scientific study of human behavior and mental ... and depression, may lack external validity when "exported" to other cultural ...
2010 Patrick at Winter Commencement at the University of Kentucky, where he majored in sociology and minored in psychology. 2008 Patrick and his mother celebrating his 21st birthday. 2003 Patrick with his mother at an Easter dinner.
External validity, tested with the Portuguese version of the GSS, showed no correlation between interrogative suggestibility and factors of personality, [12] [13] nor interrogative suggestibility and anxiety. [14] [15] Immediate recall and delayed recall correlated negatively with all suggestibility scores. [4]