Question 1

When a researcher who is studying "serious tennis players" asks 200 people if they qualify as this type of player, and then asks those who do qualify to suggest the names of two other serious tennis players, this is an example of a:

Select one:

A. snowball sample

B. judgment sample

C. systematic sample

D. stratified random sample

Question 2

There are no appropriate statistical techniques for measuring random sampling error from:

Select one:

A. a nonprobability sample

B. a stratified sample

C. all of the above

D. a simple random sample

Question 3

A double-barreled question is one that is both leading and loaded.

Select one:

True

False

Question 4

When the population elements are highly homogeneous, samples are typically highly representative of the population.

Select one:

True

False

Question 5

As a first step in applying the scientific method, we must state a hypothesis.

Select one:

True

False

Question 6

As a general rule, a variable is anything that may assume different numerical or categorical values.

Select one:

True

False

Question 7

Each question on a questionnaire should have its own rationale for being included in the questionnaire.

Select one:

True

False

Question 8

Economics research needs clear objectives and definite research designs in order to be conducted efficiently.

Select one:

True

False

Question 9

It is very important to obtain a statistical sample for the pretesting of a questionnaire.

Select one:

True

False

Question 10

Most surveys ask both structured and unstructured questions.

Select one:

True

False

Question 11

The main goal of causal research is to identify cause-and-effect relationships between variables.

Select one:

True

False

Question 12

The most common method of generating secondary data is through surveys.

Select one:

True

False

Question 13

The process of empirical verification can be done separately from the process of theory development.

Select one:

True

False

Question 14

Systematic error can only occur from some imperfect aspect of research design

Select one:

True

False

Question 15

Systematic errors are due to chance fluctuations.

Select one:

True

False