the non-experimental methods

• what is a single variable study?

  when a researcher measures a single variable.
• what is a correlation

  when two variable share an association
• what Is a correlational study

  when a researcher measures two variables and see if they are correlated
• what is a case study?

  A detailed investigation into a single individual or small group of individuals.

  Usually conducted to investigate people with unusual and rare experiences, that couldn’t be investigated in an experiment.
• strengths of case studies?

  Researchers can gather a lot of detailed information about a person’s experience.

  They provide a way of studying rare situations that you couldn’t manipulate.
• weaknesses of case studies?

  • cannot generalise to other people
  • cannot establish a cause and effect relationship
  • may breach BPS guidelines on confidentiality