Camile Faith

 

QUESTION 1

What is the most interesting topic or concept we've covered so far? Explain why.

*Time in Designs-

0.5 points   

QUESTION 2

A          variable assigns a rank to responses, whereas a         variable has no implicit ranking. 

		Ordinal, ratio
		Ratio, categorical
		Interval, binomial
		Ordinal, categorical

0.4 points   

QUESTION 3

A    FILL IN THE BLANK   can reduce data entry time and improve data quality, but can be more difficult to implement, especially when documentation of informed consent is required.

		Interview
		Paper survey
		Electronic survey
		Phone survey

0.4 points   

QUESTION 4

The NIH data sharing policy requires researchers to submit data to NIH as it is collected. 

 True

 False

0.4 points   

QUESTION 5

A specific value, such as "999," is often used to identify a missing variable, rather than leaving the field blank. Ideally this would be defined...

		In a codebook
		Before data entry begins
		By the IRB
		both by the IRB and before data entry begins
		both in a codebook and before data entry begins.

0.4 points   

QUESTION 6

What is the most confusing or unclear concept we have discussed thus far? 

*

0.5 points   

QUESTION 7

Testing a questionnaire is important in order to ensure that wording is clear, that questions are asked in the best order, and to determine the amount of time taken to complete a response.

		Agree
		Neutral
		Disagree
		I don't know

0.4 points   

QUESTION 8

1. Outcome variables for studies based on 2x2 tables (case control, cohort) must be...

		Binomial
		Categorical
		Ratio
		Coded

0.4 points   

QUESTION 9

1. Regression modeling can be used to test the extent to which a variable or variables predict a particular outcome. 

 True

 False

0.4 points   

QUESTION 10

1. Increasing your sample size will have what effect on the confidence interval around your outcome?

		The CI will become narrower
		The CI will become wider
		The CI will become taller
		Sample size has no effect on CI

0.4 points   

QUESTION 11

1. Any given study participant has an equal chance of being assigned to the intervention or control group is researchers are using...?

		A non-random sampling strategy
		A simple random sample
		A cluster sample
		A stratified random sample

0.4 points   

QUESTION 12

1. Responsibilities of a study PI include which of the following? (Check all that apply)

		Ensuring that funds are managed according to the budget.
		Determine whether the protocol will protect the welfare and rights of subjects.
		The study protocol is followed appropriately.
		Any adverse events are reported.

S

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