Chap 16, 17 community

Question 1

This approach determines the meaning of past events through a review of records, literature, and/or communication.

Accepted Answer

Historical

Question 2

This approach includes a variety of studies used to describe and interpret current events or situations

Accepted Answer

Descriptive

Question 3

Sampling every ‘nth’ subject is called

Accepted Answer

Systematic

Question 4

A research project where neither the subjects nor the investigators know who is in the control group

Accepted Answer

Double-blind study

Question 5

The p value must be _________ in order to reject the null hypothesis

Accepted Answer

Smaller than or equal to 0.05

Question 6

In a clinical study, the variable that is being manipulated is the independent variable

Accepted Answer

True

Question 7

What measure of central tendency is the midpoint of the data?

Accepted Answer

Median

Question 8

Which approach measures the relationship between variables?

Accepted Answer

Correlational Study

Question 9

A sample size of 30 or more will estimate the population with reasonable accuracy.

Accepted Answer

True

Question 10

An occurrence that happens 99.7% of the time falls how many standard deviations from the mean?

Accepted Answer

3 SD

Question 11

Which type of research studies the same population over an extended period of time?

Accepted Answer

Longitudinal study

Question 12

Which scale organizes data into categories that are rank ordered but the differences between ranks don't exist

Accepted Answer

Ordinal

Question 13

This approach studies a treatment or intervention

Accepted Answer

Experimental

Question 14

The value for a standard deviation score is based on information from the

Accepted Answer

Variance

Question 15

Inferential statistics make generalizations about a group based on results of observation of

Accepted Answer

a representative sample of the group.

Question 16

A small version of a study conducted before the actual study is called a

Accepted Answer

Pilot study

Questions 16