correlations

• What is the main focus of the video on research methods in psychology?

  The use of correlations
• What can analyzing two sets of data for correlation show?

  Potential relationships and their strength
• What does the term 'correlation coefficient' refer to?

  A number measuring the strength of correlation
• How does a correlational study differ from an experimental study?

  Correlational studies do not manipulate variables
• What are co-variables in a correlation?

  Variables that are measured and compared
• Which variables could be compared in a correlational study?

  Age, IQ, and bank account balance
• What is a scattergram used for?

  Displaying data collected in a correlation
• How would you plot a correlation on a scattergraph?

  By plotting data pairs on X and Y axes
• What does a positive correlation indicate?

  Both co-variables increase together
• What does a negative correlation indicate?

  One co-variable increases while the other decreases
• What does zero correlation mean?

  There is no relationship between co-variables
• What is the range of a correlation coefficient?

  From -1 to 1
• What does a correlation coefficient of 0.8 indicate?

  A strong correlation
• What is a critical evaluation of correlation studies?

  Correlation does not imply causation
• Why might low attendance correlate with poor exam performance?

  Students struggling may avoid class
• What is an example of a third variable affecting correlation?

  Temperature affecting ice cream sales and drowning
• What is a positive evaluation of using correlations in research?

  They can highlight potential causal relationships
• Why do correlational studies often have fewer ethical problems?

  They measure pre-existing variables
• What is the purpose of the correlation coefficient?

  To describe the strength of a correlation
• What are the strengths and limitations of correlational studies?

  Strengths:

  • Highlight potential causal relationships
  • Few ethical problems with pre-existing variables
  • Useful correlation coefficient for strength

  
  

  Limitations:

  • Correlation does not imply causation
  • Unknown third variables may exist
  • No control over extraneous variables
• How many tutorial videos are mentioned for research methods?

  Six tutorial videos
• What resources can patrons access on psych boost?

  Printable resources and tutorial videos
• Who is thanked for supporting psych boost?

  Students and teachers
• What is the purpose of the research methods unit on psych boost?

  To provide exam tips and worked examples
• What is the definition of correlation?

  A relationship between two variables
• What is the process of measuring correlation?

  Using statistical tests like Pearson's and Spearman's
• What is the difference between independent and dependent variables?

  Independent variables are manipulated; dependent are measured
• What is inter-rater reliability?

  Consistency between different observers' ratings
• Why are statistical tests like Pearson's and Spearman's important in correlation?

  They calculate correlation coefficients
• What are the implications of correlation in psychological research?

  They can suggest areas for further investigation
• Why are ethical considerations important in research methods?

  To ensure the safety and rights of participants
• What is the significance of support from patrons for educational content?

  It allows for the creation of more resources