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 reveal?

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

  A number describing 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?

  Label axes and plot data points
• 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?

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

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

  A strong correlation
• What statistical tests can be used to calculate correlation coefficients?

  Pearson's and Spearman's tests
• 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 a third variable in correlation studies?

  A variable that influences both co-variables
• 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 benefit of the correlation coefficient?

  Describes 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
  • Potential for third variables affecting results
  • No control over extraneous variables
• How many tutorial videos are mentioned for research methods?

  Six tutorial videos
• What resources are available for patrons at the neuron level and above?

  Access to tutorial videos and printable resources
• Who is thanked for supporting psych boost?

  Students and teachers
• What is the purpose of psych boost on YouTube?

  To provide research methods education