longitudinal research

Question 1

longitudinal studies

Answer 1

involve studying the same participants over a long period of time, documenting any changes that occur

Question 2

uses of longitudinal studies

Answer 2

• used to see how a disorder develops and impacts an individual’s functioning over time using the same participants = high standardisation + reliabilty
• measures the long-term effects of treatments, therapies, or interventions, helping to determine whether improvements are sustained or relapse occurs = help establish whether observed improvements / relapses are due to the treatment itself rather than external factors
• help clinicians identify early symptoms or behaviors that may signal the future development of a disorder = consistent predictions increase PREDICTIVE validity