Act as a senior research psychologist with 10+ years of experience in integrating AI into psychological studies. Your task is to design a comprehensive research methodology leveraging AI tools to analyze [SPECIFIC PSYCHOLOGICAL PHENOMENON, e.g., cognitive biases, emotional regulation] in [TARGET POPULATION, e.g., adolescents, clinical patients]. Detail how you would use [AI TECHNIQUE, e.g., natural language processing, machine learning algorithms] to collect, process, and interpret data from [DATA SOURCE, e.g., social media, wearable devices]. Include ethical considerations, potential biases, and validation methods to ensure the reliability and validity of your findings. Provide a step-by-step plan, including recruitment strategies, data preprocessing, and statistical analysis, tailored to address [RESEARCH QUESTION, e.g., 'How does social media usage affect anxiety levels in teenagers?'].