A psychologist is planning to conduct a study that would examine pathological liars and the quality of their romantic relationships. You have been asked to provide the psychologist with a recommendation for which research method should be used to gather data on the pathological liars and their spouses.

I would interview only the spouses -- for obvious reasons.

How do you determine which partner is the pathological liar? What objective criteria will you use? Once either partner is branded as a "pathological liar," it is hard for anyone to believe them.

A similar problem exists for those who are branded "insane." See

http://psychrights.org/articles/Rosenham.htm

I realize that this makes the situation less clear, but that is the way it exists in real life. I hope it gives you a better understanding of problems involved in answering your question. Thanks for asking.

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In order to gather data on pathological liars and the quality of their romantic relationships, several research methods can be considered. Here are a few recommendations:

1. Surveys: Psychologists can use self-report questionnaires to collect information on pathological lying behavior and relationship quality from both the pathological liars themselves and their romantic partners. The surveys could include questions about the frequency and nature of lying as well as measures of relationship satisfaction, trust, and communication.

2. Interviews: Conducting individual interviews with both the pathological liars and their partners can provide in-depth and qualitative information about their experiences. Open-ended questions can help explore their perspectives, attitudes, and feelings towards lying and their relationships. Structured interviews can also be used to ensure consistency in data collection.

3. Observational studies: Psychologists could conduct naturalistic observations in real-life settings to examine the behaviors, interactions, and dynamics between pathological liars and their partners. Observations can provide valuable insights into nonverbal cues, emotional expressions, and other contextual factors that may influence relationship quality.

4. Experimental studies: Researchers could create experimental conditions to manipulate variables related to lying and measure their impact on relationship quality. For instance, participants with a propensity for pathological lying could be assigned to either a lying or truth-telling group, and the consequences on their relationship satisfaction could be analyzed.

5. Longitudinal studies: Long-term studies that track pathological liars and their partners over an extended period can help explore how pathological lying affects relationship dynamics and quality over time. Psychologists can collect data at multiple time-points to observe any changes in lying behavior and relationship satisfaction.

When selecting a research method, it's essential to consider factors such as the objectives of the study, feasibility, ethical considerations, and the available resources. A combination of multiple methods can provide a comprehensive understanding of pathological liars' relationship quality, increasing the validity and reliability of findings.