LESSON 1

Question 1

Understanding statistics is crucial to being able to read ________

Answer 1

psychology research articles.

Question 2

Understanding statistics is crucial to _______

Answer 2

doing research yourself

Question 3

Understanding statistics develops your _________

Answer 3

analytic and critical thinking

Question 4

How to gain the most from this course?

Answer 4

1. Keep your attention on the concepts.
2. Be sure you know each concept before you go on to the next.
3. keep up.
4. Study especially intensely in the first half of the course.
5. Help each other.

Question 6

It is the science of data.

Answer 6

Statistics

Question 7

Statistics involves ______ ,
______, _______, _______, ______, _______, and
__________.

Answer 7

• collecting,
• classifying,
• summarizing,
• organizing,
• analyzing,
• presenting, and
• interpreting numerical information.

Question 8

Statistics include______ and _____

Answer 8

numerical facts,
figures

Question 9

The largest earthquake measured 9.2 on the Richter scale.

Answer 9

Example of Statistics

Question 10

Men are at least 10 times more likely than women to commit murder.

Answer 10

Example of Statistics

Question 11

One in every 8 South Africans is HIV positive.

Answer 11

Example of Statistics

Question 12

By the year 2020, there will be 15 people aged 65 and over for every
new baby born.

Answer 12

Example of Statistics

Question 13

Mathematics

Answer 13

NOT a Statistics

Question 14

______ is a way of viewing reality as exists around us in a way
that we otherwise could not.

Answer 14

statistics

Question 15

It is the scientific study of the mind and behavior.

Answer 15

Psychology

Question 16

Psychologists are actively involved in studying and understanding
_________, _________, and ________.

Answer 16

mental processes, brain functions, behavior

Question 17

GOALS OF PSYCHOLOGY

Answer 17

Describe, Explain, Predict and Control

Question 18

A ______ is the set of all the individuals of interest in a
particular study.

Answer 18

population

Question 19

A _______ is a value, usually a numerical value, that describes
a population.

Answer 19

parameter

Question 20

A parameter is usually derived from measurements
of the individuals in the______ .

Answer 20

population

Question 21

A _____is a set of individuals selected from a population, usually
intended to represent the population in a research study

Answer 21

sample

Question 22

A _______is a value, usually a numerical value, that describes a
sample.

Answer 22

statistic

Question 23

A statistic is usually derived from measurements of the
individuals in the ______.

Answer 23

sample

Question 24

A ______ is a characteristic or condition that changes or has different values for different individuals.

Answer 24

variable

Question 25

Possible number or category a value can have, i.e 1.00 - 5.00, Male/Female

Answer 25

Values

Question 26

or raw score, is a particular sample’s value on a variable.

Answer 26

Score

Question 27

______ are measurements or observations.

Answer 27

Data

Question 28

______ is a single measurement or observation and is commonly called a score or raw score.

Answer 28

A datum (singular)

Question 29

It is a collection of measurements or observations.

Answer 29

Data Set

Question 30

______ are statistical procedures used to summarize, organize, and simplify data.

Answer 30

Descriptive statistics

Question 31

________ consist of techniques that allow us to study samples and then make generalizations about the populations from which they were selected

Answer 31

Inferential statistics

Question 32

is the naturally occurring discrepancy, or error, that exists between a sample statistic and the corresponding population parameter.

Answer 32

Sampling error

Question 33

Scales of Measurement

Answer 33

▪ Nominal Scale ▪ Ordinal Scale ▪ Interval Scale ▪ Ratio Scale