In experiments,the greater the time between observations (O1 and O2),the greater the chance of a history or maturation effect confounding the experiment.
Correct Answer:
Verified
Q10: Extraneous variables need to be controlled to
Q11: If physical control,randomization,and research design features do
Q12: In true experimental designs,extraneous variables must never
Q13: The common sense notion talks of proving
Q14: The R in X-O-R syntax stands for
Q16: External validity is concerned with whether the
Q17: A time-series experiment undertakes periodic measurement on
Q18: The measures taken on the test units
Q19: A true experimental design is one where
Q20: Deterministic causation is the scientific notion that
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents