Reliability and Validity Flashcards
Validity
accuracy
Reliability
Consistency
Test-retest
Where participants test and then take the test again
Spilt Half
Splitting test and comparing the halves
interobserver/ intercoder/ interrater
Calculate percentage of agreement between obersvations
Internal Validity
Tells how the research was conducted
External Validity
Does the study apply to other people
Threats Due to how research is conducted
History
Sleeper effect
Sensitization
Data analysis
Replication
Exact
Partial
Conceptual
Exact Replication
You do everything the same without the same participants
Partial Replication
Some similarities but also some differences
Conceptual Replication
Same issue but different procedure
Threats due to Research Participants
Hawthorne Effect
Selection
Statistical regression
Mortality
Maturation
Interparticipant bias
Hawthorne Effect
Participants know they are being observed
Selection
Incorrect participants selected
Statistical regression
Ceiling and floor effect, First scores are high/low then go to average
Mortality
Participants are no longer in study
Maturation
Participants age during study
Interparticipant Bias
Participants influence each other
History
Something changes that is unknown
Sleeper
Results did not show soon enough
Sensitization
Participants know what to look for when retesting
Data Analysis
Incorrect method used to analyze data
Threats due to Research Researchers
Researcher personal attribute effect
Researcher unintentional expectancy effect
Researcher observational bias
