At baseline, groups should be:
what is homogeneous?
Research that is practical in nature is called:
What is pragmatic?
if the beta =.4, the power =?.
What is .6?
type of statistical test family you would use if data were normally distributed.
What is parametric?
They type of fish shown in slide 57.
What is a puffer fish?
After the intervention, groups should be:
What is heterogeneous?
Demographic variables are used to help support this kind of validity:
Having multiple dependent variables increases the odds of what type of error?
What is Type 1?
for a test to be parametric, it must be
What is normal, homogeneous, and continuous?
Can you eliminate all threats?
NO!
the best way to protect against threats to internal validity is to blind and:
what is randomize?
Another name for an abstract concept.
What is a construct?
If you want to see differences between groups, what is the most desirable outcome for the null hypothesis.
What is rejecting the null?
Ordinal level data is analyzed using what family of stat tests.
What is non-parametric?
The bunny graphic from slide 50 is from what game.
What is 5 nights at freddy's.
Variables that you cannot manipulate but need to consider are called:
what are extraneous variables?
The section of a research study is where you would identify internal validity threats.
What is the methods?
When significance exists but you do not find it.
What is Type 2 error?
When looking at non-normal data, what measure should you use to determine the average of the data.
What is the median?
Dr. Lee's favorite food.
Another name for an outcome of interest.
What is the dependent variable?
The type of hypothesis that identifies a clear direction and outcome.
What is a directional hypothesis?
for cause and effect to be true there needs to be
What is temporal precedence, covariation, no other explanations?
If most of the data points are close to the origin of the axis.
What is positively skewed data?
Names of Dr. Lee's kids.
Donovan & Vivienne