Reference no: EM131386436

QUESTION 1

1. Place the following 5 overarching steps in a research project in the order they should happen.

Report Findings

 

Design Study and Collect Data

Identify Study Question

Analyze Data

Select Study Approach

QUESTION 2

1. A study to answer the question, "What is the diabetes prevalence among Native Americans in Maine?" is mostly likely employing which of the following designs?

Cross-sectional

Case-control

Randomized Clinical Trial

Pretest-Post Test Nonequivalent Group Design

QUESTION 3

1. The specific aim statement, "To assess whether more exercise is better for overweight children" is...?

Too Precise

Too Vague

Just Right

QUESTION 4

1. Studies that randomize participants into intervention or control groups can still meet the "distributive justice" principle even though not all the participants receive the intervention.

True

False

QUESTION 5

1. When we figure out how to turn a construct that we want to include in an index into some sort of quantitative score, we are FILL IN THE BLANK the construct.

Validating

Abstracting

Operationalizing

Weighting
 
QUESTION 6

1. The quasi-experimental design that most closely matches a pretest-post test randomized experiment, only without randomizing the groups is a...

Case-control

Randomized clinical trial

Cross-sectional

Pretest-post test nonequivalent group design
 
QUESTION 7

1. Researchers are conducting an analysis using a de-identified dataset that was created at a hospital for quality reporting purposes. There is a good chance that the IRB would consider this study "exempt" on the grounds that:

It would likely not meet the "beneficence" principle.

The informed consent process would not be feasible.

The research involves analysis of an existing dataset.

All research that does not involve blatant human rights abuses is considered.
 
QUESTION 8

1. What is the most confusing or unclear thing we have discussed thus far? Type II Error and Power 1 paragraph

QUESTION 9

1. A study on a new depression treatment recruited patients who scored in the highest depression range ("severely depressed") on the PHQ9 depression screen questionnaire. These patients were assigned to either a treatment or a comparison group. At the end of the study the participants retook the PHQ9, and it was observed that the scores improved in both study groups. This is probably an example of:

A Reliability Threat

Regression Threat

Instrumentation Threat

A Threat to External Validity

QUESTION 10

1. If the primary outcome of your study perfectly captures the concept you are studying, you could say that your study has excellent...

External Validity

Reliability

Construct Validity

None of the Above
 
QUESTION 11

1. If you have a scale that always reads your weight as 20 pounds more than it really is, you could say that:

The scale is valid, but not reliable

The scale is reliable, but not valid

The scale is neither reliable nor valid

It is time to go on a diet

QUESTION 12

1. What is the most interesting topic or concept we have covered so far? Explain why. Quasi-Experimental Design 1 paragraph

QUESTION 13

1. If the richest person in town moved to the poorest neighborhood in town, and you then calculated the average income of that neighborhood, you would be at risk of committing an ecological fallacy.

True

False

QUESTION 14

1. You have an idea for a study, but after reviewing the literature you realize that the intervention you had in mind has already been tested for people with the disease you planned to focus on. The only difference is that you would be conducting the study within a different population. You should conclude that your study idea is not original.

True

False

QUESTION 15

1. The 4 components of the "PICO" framework are most useful for developing questions for quantitative studies. For qualitative studies you might only be addressing the "P" and "O" components.

True

False