Deck 2: Some Research Definitions

Question 1

-In the figure alongside, X represents?

A) Sample
B) Population
C) Universe
D) Both (b) and (c)

Answer 1

Both (b) and (c)

Question 2

-In the figure alongside, Y represents?

A) Sample
B) Population
C) Universe
D) Both (b) and (c)

Answer 2

Sample

Question 3

Height is an example of __________ variable

A) discrete
B) continuous
C) intervening
D) dependent

Answer 3

continuous

Question 4

The __________ asserts that the statistical differences (or relationship) being analyzed are due to chance or random error.

A) Alternate hypothesis
B) Substantive hypothesis
C) Null hypothesis
D) Type I hypothesis

Question 5

Greek letters are used to describe __________ parameters

A) Sample
B) Population
C) Control group
D) Treatment group

Question 6

A __________ is used to describe a sample

A) parameter
B) statistic
C) population
D) hypothesis

Question 7

The group of people who actually are measured by the survey is called a __________.

A) Public
B) Audience
C) Sample
D) Population

Question 8

In an experiment the group for which things are held constant or unchanged is called

A) independent
B) treatment
C) control
D) dependent

Question 9

Variables that are observed or measured in an experiment are referred to as __________.

A) Independent variables
B) Dependent variables
C) Control variables
D) Internal variables

Question 10

Variables that that operate between independent and dependent variables are called __________.

A) Independent variables
B) Dependent variables
C) Control variables
D) Intervening variable

Question 11

Variables measured at nominal level are always discrete variables.

Question 12

The difference between a hypothesis and a research question is that hypotheses predict an outcome whereas research questions cannot

Question 13

Greek letters are used to describe population parameters

Question 14

The group of people who are actually measured in a research study is called a population

Question 15

The experimental group where things are held constant or unchanged in called the control group.

Question 16

In research terminology, universe and population are two different concepts.

Question 17

Gender is an example of a continuous variable.

Question 18

An independent variable is manipulated by the researcher in an experiment.

Question 19

Height is an example of discrete variable.

Question 20

English letters are used to describe population parameters

Question 21

What is the difference between a hypothesis and a research question?

Question 22

Give an example of a continuous variable and a discrete variable.

Question 23

Illustrate the difference between a population and a sample.