part 2 psych

Research design

Blueprint for how your gonna study

Methodology

Tools to connect ur da

Quantitative data

Number based info

Qualitative data

Deeper insights into topics

Likert scale

Used in surveys to access ppls opinions

Structured interview

Predetermined questions that are asked in the same order

Survey techniques

Collect data through self report measurements

Wording effect

Changing in phrasing can influence responses

Social desirability bias

Respond in a manner that is viewed in favor of others

Naturalistic observation

Record behavior in a real world setting without manipulation

Case study

In debt examination of a single person

Correlation research

Examine relationships between two or more variables IDENTIFY PATTERNS NOT CAUSATION

Third variable problem

Unmeasured variable may influence others

Scatterplot

Display relationship between two variables

Correlation coefficient

To show the strength and direction of the relationships

positive correlation

move in the same direction

Negative correlation

Move in opposite directions

Experimental method

Investigates cause and effect between variables

Independent variable

Changed

Cofounding

Not accounted for/forgot to control

Operational definition

How a researcher will measure a variable

Experimental group

Exposed to independent variable

Random assignment

Assign participants to different groups randomly

experimental bias

Expectations about the outcome of a study can influence results

Single blind stidy

Participants are unaware in which group there in

Sample

Individuals selected from a large population

Representative sample

Demographics are similar to our population

Sample bias

When the sample doesn’t represent the whole population

Generalizability

Be applied to a larger population

Satistics

Can be collected in studies