Lifespan Developmental Psychology-Ch.2 Research Methods

Front 1

What are the 4 parts to the scientific method?

Back 1

1. Formulate a question.
2. Develop a hypothesis.
3. Test the hypothesis by doing research.
4. Draw conclusions.
5. sometimes publish results.

Front 2

What is quantitative data?

Back 2

Measureable and manipulated using mathematics.

Front 3

What is Qualitative data?

Back 3

Not measureable using math and includes verbal descriptions and names of categories.

Front 4

What is the Experimental method?

Back 4

collects data to determine a supported cause and effect relationship between 2 or more factors.

Front 5

What is an independent variable?

Back 5

The variable that the experimenter is manipulating to produce an effect.

Front 6

What is the dependent variable?

Back 6

The one that should be effected by changes in the independent variable.

Front 7

Explain the correlational method?

Back 7

When a hypothesis cannot be manipulated using the experimental method correlation is used to look for a relationship between variables.

Front 8

Positive correlation and negative correlation is?

Back 8

Positive indicates that 2 variables move in the same direction whereas negative indicates that the variables move in opposite directions.

Front 9

Describe case study.

Back 9

Intensive study of 1 individual entailing a deep investigation into thoughts, feelings, and events.

Front 10

Describe a survey.

Back 10

A series of questions when researchers want a lot of information about personal characteristics, attitudes, behaviors and opinions.

Front 11

What is a cohort group?

Back 11

People born within a few years of each other.

Front 12

What is a representative sample?

Back 12

People who have relevant traits of the larger population being considered.

Front 13

What is random sampling?

Back 13

Does not involve pre-selection based on traits.

Front 14

What is systematic random sampling?

Back 14

Chooses people in a random yet methodological. Ex. choosing every 5th name in phone book.

Front 15

What is true random sampling?

Back 15

Gives all participants an equal opportunity of being selected.

Front 16

What is stratified random sampling?

Back 16

Divides the population into sub-groups and selects people from each group.

Front 17

Quota sampling is?

Back 17

takes randomized people and chooses a specific number from each group while matching the ratio in the true population.

Front 18

What is convenience sampling?

Back 18

Choosing people just because they happen to be at hand.

Front 19

What is the experimental group?

Back 19

the group exposed to the treatment condition.

Front 20

What is the control group?

Back 20

The group not exposed to the treatment condition.

Front 21

What is a independent variable?

Back 21

What the experimenter controls.

Front 22

What is a dependent variable?

Back 22

What the experimenter is trying to prove as a result of the independent variable.

Front 23

What is a cross-sectional research?

Back 23

Groups of subjects of different ages who are similar (education, ses, etc) but studied at the same point in time.

Front 24

What is longitudinal research?

Back 24

The same group is studied for a certain length of time.

Front 25

What is Cross-sequential research?

Back 25

Studies many different groups of people at different ages.

Front 26

What is validity?

Back 26

Measure that determines whether or not the instrument is actually telling you the info it is claiming to.

Front 27

What is Reliability?

Back 27

Determines that the measure will give you the same basic score across repeated testing.