Which of the following correlation coefficients would indicate a strong a positive relationship between two variables?

Group

of answer choices

0.00007

-0.9

0.88

-0.003

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question: Question 2

Question 2

0.25pts

Which

of the following is an example of systematic sampling?

Group

of answer choices

Selecting

people from different cities in Texas

Selecting

a group of hospitals and then obtaining a random sample in each hospital

Selecting

every 10th person who comes into a hospital after 3pm

Selecting

four groups of people from a shopping center and taking a random sample from

each

Flag

question: Question 3

Question 3

0.25pts

This

type of variable can only be assigned one of two possible values, such as yes

or no.

Group

of answer choices

Binary

Ratio

Continuous

Numeric

Flag

question: Question 4

Question 4

0.25pts

This

type of distribution is a symmetrical bell-shaped curve that represents the

distribution of a quantitative variable.

Group

of answer choices

Symmetrical

Regular

Even

Normal

Flag

question: Question 5

Question 5

0.25pts

Correlation

implies that one of the variables depends on the other.

Group

of answer choices

True

False

Flag

question: Question 6

Question 6

0.25pts

According

to the video, the Stony Brook World Trade Center Health Program is an example

of which study design?

Group

of answer choices

Cross

sectional

Cohort

Experimental

Qualitative

Flag

question: Question 7

Question 7

0.25pts

According

to the CDC video, the NHANES is conducted by collecting survey data from

participants around the US through their website annually.

Group

of answer choices

True

False

Flag

question: Question 8

Question 8

0.25pts

According

to the Healthcare Triage video on Meta-Analysis, Aaron Carroll compared two

meta analyses that examined nutrients in organic foods. He preferred one study

(the Stanford study) over the other (British Journal of Nutrition)

because:

Group

of answer choices

it

included more previously published studies

It

had more flexible inclusion criteria and included studies with different

designs

It

was more rigorous and excluded studies with weaker methodology

It

was less strict with the definition of "nutrients"

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question: Question 9

Question 9

0.25pts

Words

like "and," "or," and "not" are called

_____________. They are key words built into search phrases to help find

studies for a systematic review or meta analysis.

Group

of answer choices

MeSH

terms

Boolean

operators

Search

limiters

Search

strings

Flag

question: Question 10

Question 10

0.25pts

The

the statistical method used to test for publication bias in a meta-analysis is

called...

Group

of answer choices

Forrest

plot

Funnel

plot

Odds

ratio

Pooled

estimate