psychology research

An in depth investigation of a person:

• case study

• survey

• experiment

• longitudinal study

Observing someone without interfering

• survey

• experiment

• case study

• naturalistic observation

obtaining data by asking question either through interviews or questionnaires

• survey

• experiment

• case study

• naturalistic observation

Collecting data on a group over a number of years

• longitudinal study

• cross-sectional study

• case study

• naturalistic observation

A measure of how two variables in a study are related

• correlation

• variability

• prediction

• deviation

A graph that shows correlations

• scatterplot

• histogram

• pie chart

• normal curve

When all people have an equal chance of being involved in a study

• Stratified Sample

• Random Sample

• Normal Sample

• Median Sample

Negative correlation means

• as one variable goes up the other goes down

• the control group gets effected negatively from the experiment

• Participants negatively effected variables

What type of experiment is it when both the experimenter and the groups don’t know the procedures or assignments?

• double-blind study

• single-blind study

• poly-blind study

• no blind study

Setting up a test to gather data on an observation or question to be answered

• single blind study

• Experiment

• Longitudinal study

• Cross-sectional study