PSS Exam 1 QUESTIONS WITH CORRECT ANSWERS 100% SOLVED| GUARANTEED SUCCESS
Make sure that, aside from the manipulation, both groups are the _____ Same in every
possible way
What is random assignment? Use random process to place participants from population to
be in each experimental group
RA is an attempt to ensure that participants have _____ of being assigned to any condition
Equal probability
What is the law of large numbers? As the number of samples increases, the measured
probabilities will approach the true probabilities (expected value)
what are 2 advantages of experiments? Control and rule out influences on the participants'
behavior except the independent variable
Clearly identify cause-effect relationships
what is experimenter bias?
what is a solution?
, what is participant bias?
what is a solution? Researchers' expectations can influence the findings
double-blind study
participants might try to "help" or "hurt" your study
try to hide true hypothesis or use nonreactive measures
What is internal validity?
What is external validity? the degree to which data in a study reflect a true cause-effect
relationship
the degree to which the investigator can extend or generalize a study's results to other subjects
and situations
_____ has higher statistical power than between-subject designs within-subject designs
what is a t-test?
Make sure that, aside from the manipulation, both groups are the _____ Same in every
possible way
What is random assignment? Use random process to place participants from population to
be in each experimental group
RA is an attempt to ensure that participants have _____ of being assigned to any condition
Equal probability
What is the law of large numbers? As the number of samples increases, the measured
probabilities will approach the true probabilities (expected value)
what are 2 advantages of experiments? Control and rule out influences on the participants'
behavior except the independent variable
Clearly identify cause-effect relationships
what is experimenter bias?
what is a solution?
, what is participant bias?
what is a solution? Researchers' expectations can influence the findings
double-blind study
participants might try to "help" or "hurt" your study
try to hide true hypothesis or use nonreactive measures
What is internal validity?
What is external validity? the degree to which data in a study reflect a true cause-effect
relationship
the degree to which the investigator can extend or generalize a study's results to other subjects
and situations
_____ has higher statistical power than between-subject designs within-subject designs
what is a t-test?
