Affect Intensity Measure (AIM) (Long and Short Form)
Affect Intensity Measure (AIM) (Long and Short Form) used in psychology are essential tools for clinical and research assessments. This post is based on dissertations submitted by students during their academic programs. At ‘Mental Health,’ we arrange and provide these resources to you. Here is the complete list of resources (Click Here). To access these materials, click on the ‘Avail File’ section below.”
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About Affect Intensity Measure (AIM) (Long and Short Form)
The Affect Intensity Measure (AIM) is a psychological tool designed to evaluate how intensely individuals experience positive and negative emotions. Created by Larsen and colleagues, the AIM assesses affect intensity as a personal characteristic, offering insight into how people react emotionally to life events.
Purpose of the Tool
The AIM is intended to:
- Measure the intensity with which individuals experience emotions.
- Aid researchers and clinicians in understanding emotional variability as a personality trait.
- Serve as a resource for studying emotional responses in various psychological contexts, including mental health and personality research.
Description of Tool
The Affect Intensity Measure was introduced by Randy J. Larsen in the 1980s as a response to a growing need to quantify individual differences in emotional experience. Affect intensity refers to the strength or magnitude of emotional responses, varying widely across individuals. Recognizing these variations, Larsen and colleagues developed AIM as a self-report tool that can capture differences in how intensely people experience both positive and negative emotions.
The AIM is available in both a long form and a short form, providing flexibility depending on the depth of assessment required. The long form consists of 40 items, whereas the short form contains 20 items, each scored to reflect how strongly individuals react emotionally to various situations. The AIM measures dimensions of affect across a spectrum from high-intensity responders, who experience strong emotional fluctuations, to low-intensity responders, who experience emotions in a more stable and less intense manner.
Psychometric Properties
- Reliability: The AIM has demonstrated high internal consistency, with strong reliability across both long and short forms.
- Validity: Studies have confirmed the AIM’s validity in distinguishing between individuals with different levels of affect intensity. It correlates with related constructs, supporting its role as a measure of emotional variability.
Age Group
The AIM is primarily used with adolescents and adults over the age of 16, making it suitable for research involving older adolescents and adult populations in both clinical and non-clinical settings.
References
- Larsen, R. J. (1984). Theory and measurement of affect intensity as an individual difference characteristic. Dissertation Abstracts International, 85, 2297B.
- Larsen, R. J. (2009). Affect Intensity. In M. R. Leary & R. H. Hoyle (Eds.), Handbook of individual differences in social behavior (pp. 241-254). New York: The Guilford Press.
- Larsen, R. J., Diener, E., & Emmons, R. A. (1986). Affect intensity and reactions to daily life events. Journal of Personality and Social Psychology, 51, 803-814.
- Larsen, R. J., & Diener, E. (1987). Affect intensity as an individual difference characteristic: A review. Journal of Research in Personality, 21, 1-39.
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