Procedures

• What is a weakness of the sample in the study?

  It lacks population validity
• Why can't the results be generalized to all children?

  Not all juvenile delinquents are emotionally disturbed
• How does the lack of population validity affect the research?

  It threatens the external validity of the research
• What is a weakness of the procedure in the study?

  A cause-effect relationship cannot be established
• Why didn't Bowlby manipulate variables in his research?

  He used non-experimental methods
• What is the implication of not determining a causal relationship?

  Other factors could have contributed to emotional disturbance
• How does the lack of causal relationship affect the study's validity?

  It threatens the internal validity of the study
• What does population validity refer to?

  The extent to which findings can be generalized
• What is the significance of external validity in research?

  It determines generalizability beyond the sample
• What are non-experimental methods?

  Research methods that do not manipulate variables
• What is emotional disturbance?

  Mental health issues affecting behavior and emotions