Module 1

Question 1

Statistics

Answer 1

The branch of math dealing with the collection, analysis, interpretation, and presentation of masses of numerical data.

Question 2

Scientific method

Answer 2

Method of investigation that uses the objective and systematic collection and analysis of empirical data to test theories and hypotheses.

Question 3

Research hypothesis

Answer 3

Statement regarding an expected or predicted relationship between variables

Question 4

Research hypothesis

Answer 4

Statement
Regarding an
expected or predicted
Relationship
Between variables

Question 5

Variable

Answer 5

Property or characteristic
Of an object
Event
Or person
That can take on different values

Question 6

Theory

Answer 6

Set of propositions
used to describe or explain
a phenomenon

Question 7

Independent variable

Answer 7

Variable manipulated or controlled by the researcher

Question 8

Dependent variable

Answer 8

Variable measured by the researcher
Expected to change your vary
As a function of the independent variable

Question 10

Population

Answer 10

Total number of possible units or elements that potentially be included in the study

Question 11

Sample

Answer 11

Subset or portion of a population

Question 12

Measurement

Answer 12

Assignment of numbers or categories
To objects or events
According to rules

Question 13

Nominal level of measurement

Answer 13

Values of variables differing in category or type

Question 14

Ordinal level of measurement

Answer 14

Values of variables can be placed in an order relative to the other values

Question 15

Ratio level of measurement

Answer 15

Values of variables equally spaced along a numeric continuum with a true zero point

Question 16

Ratio level of measurement

Answer 16

Values of variables equally spaced along a numeric continuum with a true zero point

Question 17

Interval level of measurement

Answer 17

Values of variables equally space along a numeric continuum

Question 18

Experimental research methods

Answer 18

Research methods designed to test causal relationships between variables

Question 19

Confounding variable

Answer 19

Variable related to an independent variable that provides an explanation for the relationship between the independent and dependent variables

Question 20

Random assignment

Answer 20

Assignment of participants to categories
Of an independent variable such that each participant has an equal chance of being assigned to each category

Question 21

Control group

Answer 21

Group of participants in an experiment not exposed to the independent variable

Question 23

Non-experimental research methods

Answer 23

Research methods designed to measure naturally occurring relationships between variables

Question 24

Quasi experimental research

Answer 24

Research methods comparing naturally formed or pre-existing groups

Question 25

Survey research

Answer 25

Research methods obtaining information directly from a group of people regarding their opinions, beliefs, or behavior

Question 26

Observational research

Answer 26

Research methods involving the systematic and objective observation of naturally occurring behavior or events

Question 27

Archival research

Answer 27

Research methods involving the use of records or documents of the activities of individuals, groups, or organizations

Question 28

Predictor variable

Answer 28

Label for the independent variable in a non-experiment (correlational) research study; variable used to predict a criterion of variable

Question 29

Criterion variable

Answer 29

Label for the dependent variable in a non-experimental (corelational) research study; variable predicted by a predictor variable.

Question 30

Descriptive statistics

Answer 30

Statistic used to summarize and describe a set of data for a variable

Question 31

Influential statistics

Answer 31

Statistical procedure used to test hypotheses and draw conclusions from data collected during research studies

Question 33

Nominal

Answer 33

Just names. They differ in name only. Values different in category or type. No relation.

Question 34

Ordinal

Answer 34

Values can be replaced in order relative to other values. Ex. There is some kind of value to the order like ranking.

Question 35

Interval

Answer 35

Values are equally spaced on a numeric continuum. Ex. Time you were five seconds faster than the second place.

Question 36

Ratio

Answer 36

Interval variables with a true zero point