Research Methods

Psychology is the scientific study of?

• Science and Non-Science

• Behavior and Mental Processes

• Non-human animals

• Descriptive studies

___________ _________ is high when confounding variables have been controlled and we are quite certain that it was the change in the IV that caused the change in the DV.

• External validity

• Population validity

• Internal validity

• Ecological validity

This is a method of research where an investigator manipulates one or more factors (independent variables) to observe the effect on some behavior or mental process (the dependent variable).

• Experiments
• Case Study
• Survey
• Observational
• Correlational

Which is NOT a step of the scientific method?

• Hypothesis

• Problem

• Count items

• Draw Conclusions

What does it mean to draw conclusions?

• make a guess

• test a theory to see if it is true

• try something new

• use data to make an assumption/theory

What is a theory?

• a guess on how something works

• a tested conclusion accepted as true

• a story explaining how the world works

• an assumption

What is replication?

• cloning the scientist who first did an experiment

• doing an experiment for the first time

• doing an experiment again and getting different results

• Doing an experiment again and getting the same results

Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?

• Monica's growth
• drinking milk

True or false?
EV's are always controlled in a LAB experiment

• True
• False

The ___________is expected to change as the IV changes.

• IV

• DV

• Controls

• Samples