Psych Unit 5

Question 1

2 Types of Statistics

Answer 1

1. Descriptive

2. Inferential

Question 2

Descriptive Statistics

Answer 2

used to organize data.

Question 3

Inferential Statistics

Answer 3

used to infer or predict outcomes

Question 4

4 Measurement Scales

Answer 4

1. Nominal
2. Ordinal
3. Interval
4. Ratio

Question 5

Nominal Scale

Example?

Answer 5

naming numbers.

Ex: drivers license, social security number, jersey numbers.

Question 6

Ordinal Scale

Example?

Answer 6

denotes serial position.

Ex: 1st place, etc. or address/house number.

Question 7

Interval Scales

Example?

Answer 7

consistent units of measure without a true zero point.

Ex: temperature (even at 0 degrees, there is still a temperature).

Question 8

Ratio Scale

Example?

Answer 8

consistent units of measure with a true zero point.

Ex: test score; it’s possible to get 0%.

Question 9

2 Types of Development

Answer 9

1. Continuous

2. Discontinuous

Question 10

Continuous Development

Answer 10

ongoing. More of what has come before, but it is more refined.

Question 11

Discontinuous Development

Answer 11

development in stages.

Question 12

Longitudinal Study

Answer 12

takes place over a long period of time, like years. A specific population will be sampled.

Question 13

Cross Section Study

Answer 13

a one time study. Specific variables that we will gather data on. The sample population is specific.

Question 14

What are the 2 study methods?

Answer 14

1. Longitudinal

2. Cross Section

Question 15

Scientific Method

4 steps

Answer 15

1. Develop research question.
2. Write a hypothesis (statement of predicted outcome).
3. Gather data, conduct experiment.
4. Restate hypothesis based on your data.

Question 16

Naturalistic Observation

Answer 16

An unobtrusive measure (they don’t know they’re being studied). Studying people in their natural environment. You must have specific variables to tally or observe.

Question 17

Sample

Answer 17

subjects who are observed.

Question 18

Random Sample

Answer 18

everyone in the population has an equal chance to be selected.

Question 19

Stratified Sample

Answer 19

specific sample segments with specific variable that qualify them.

Question 20

Correlation Method

Answer 20

Whether a variable has an effect on another variable. Correlation does not prove causation.

Question 21

Positive Correlation

Example?

Answer 21

as one goes up, the other variable goes up.

Ex: candy up, cavities up.

Question 22

Negative Correlation

Example?

Answer 22

as one goes up, the other goes down.

Ex.Exercise up, heart attacks down.

Question 23

Testing Method

Answer 23

A test about peoples minds

Question 24

Projective Tests

Answer 24

No right or wrong answer

Question 25

Case Study Method

4 things

Answer 25

a. Interview the patient, their family, friends, coworkers, etc.
b. Observations
c. Testing (look at Testing Method bullets)
d. Medical Reports

Question 26

Experimental Method has what 6 things?

Answer 26

1. Independent Variable
2. Dependent Variable
3. control group
4. Experimental Group
5. Blind subjects
6. blind subjects and administrators

Question 27

Independent variable

Example?

Answer 27

the variable which can be manipulated. The one that you control.
Ex. Drug or dose

Question 28

Dependent Variable

Example?

Answer 28

the variable that is dependent on the independent variable.

Ex. The cancer or disease

Question 29

Control Group

Answer 29

People who do not receive treatment

Question 30

Experimental Group

Answer 30

people who do receive the treatment.

Question 31

Blind

Answer 31

Test subjects do not know which group they are in.

Question 32

Double blind

Answer 32

test subjects and test administrators are both unaware of the grouping.