RESEARCH METHODS

Descriptive

Correlational

Experimental

Observational techniques

Case studies

Survey research

Naturalistic

Behaviors

Relationships

Observer influences behavior ?

Participant observation

Brief history

Many experiments

H.M. = Henry Molaison

Retrograde amnesia

Unbiased questions

Representative sample

Random sampling

Correlation coefficient

Positive correlation

Negative correlation

Absolute value

Strength

Regression towards the mean

Scatterplot

Positive

Negative

Inverse relationship

Direct relationship

Increasing trend

Decreasing trend

Third-variable problem

Spurious correlation

Controlled setting

Constant third variables

Random assignment

Experimental Design

Independent variable

Dependent variable

Exposed

Experimental group

Placebo effect

Nocebo effect

Unexposed

Control group

Believe 2B Exposed

Placebo group

Double-blind procedure

Researcher bias

Meta-analysis