V&R Flashcards
WHAT IS VALIDITY
THE EXTENT TO WHICH SOMETHING IS MEASURES WHAT IT SHOULD
RELIABILTY
CONSISTENCY
ASSESING V OF AN EXP
SAMPLE - population validity
TIME
REALISM
EXTRANEOUS VARIABLES
CONCURRENT V
FACE V
VALIDITY OF OBSERVATION
BCS
OBSERVER BIAS
HOW TO TEST RELIBIALITY
SPLIT HALF
TEST RETEST
IRR
WHAT IS IRR BEST FOR
OBSERVATION
WHAT IS SPLIT HALF TEST
QUESTIONAIRE
- COMPLETE QUESTIONAIRE
- ADD UP SCORE
- DIVIDE SCORE INTO TWO
- ADD UP SCORES FROM EACH HALF
- THEY MUST BE SIMILAR IF RELIABLE
HOW TO ASSES CONCURENT V
- GET RESULTS OF NEW STUDY
- FIND AN EXISTING STUDY THAT IS VALIDIATED AND RESEARCHING THE SAME THING
- IF THEYRE SIMILAR = V
HOW TO ASSES FACE V
DOES IT LOOK VALID
DO OTHER PEOPLE THINK IT LOOKS VALID
WHAT ARE INVESTIGATOR EFFECTS
ANYTHING AN INVESTIGATOR DOES UNINTENTIONALLY OR INTENTIONALLY TO INFLUENCE THE OUTCOME OF THE RESEARCH
THIS COULD BE THROUGH BODY LANGUAGE OR TONE OF VOICES, THEIR APPEARENCE OR GENDER, THEIR INTERPRETATION OF RESEARCG MAY ALSO BE BIASED
what to do if test-retest shows not reliable
make sure ervything is standardised, everything is kept the same
what to do if split half test fails?
change the questions make sure they are al about the same thing
