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Affect Intensity Measure (AIM) Long and Short Form
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About Scale Name
Scale Name
Affect Intensity Measure (AIM) Long and Short Form
Author Details
Richard J. Larsen
Translation Availability
Not Sure
Background/Description
The Affect Intensity Measure (AIM) is a self-report questionnaire that measures the strength or weakness with which one experiences both positive and negative emotions. It was developed by Richard J. Larsen in 1984 and has been used in a variety of research studies.
The AIM consists of 40 items, each of which describes an emotional reaction to a typical life event. Respondents rate how often they experience each emotion on a 6-point scale from “Never” to “Almost Always.” The items are scored to create two factors:
- Positive Affect Intensity: The strength of one’s positive emotions, such as joy, love, and happiness.
- Negative Affect Intensity: The strength of one’s negative emotions, such as sadness, anger, and fear.
People who score high on the AIM are said to have high affect intensity, while those who score low are said to have low affect intensity. People with high affect intensity tend to experience emotions more strongly and more frequently than people with low affect intensity. They may also be more reactive to emotional stimuli and take longer to recover from emotional experiences.
The AIM has been shown to be a reliable and valid measure of affect intensity. It has been used to study a variety of topics, including personality, mental health, and interpersonal relationships.
The background of the AIM can be traced back to the early 1980s, when Larsen and his colleagues were interested in understanding the role of emotions in human behavior. They hypothesized that people differ in the strength with which they experience emotions, and that this difference could have a significant impact on their lives.
To test their hypothesis, Larsen and his colleagues developed the AIM. The AIM was designed to be a self-report questionnaire that would be easy to administer and score. The items on the AIM were carefully chosen to reflect the different ways that people experience emotions.
The AIM was first published in 1984, and it has since been used in hundreds of research studies. The results of these studies have shown that affect intensity is a significant predictor of a number of different outcomes, including:
- Personality
- Mental health
- Interpersonal relationships
- Substance abuse
- Physical health
The AIM is a valuable tool for researchers and clinicians who are interested in understanding the role of emotions in human behavior. It is also a useful tool for individuals who are interested in learning more about their own emotional intensity.
Administration, Scoring and Interpretation
To administer the AIM, the following steps are typically followed:
- The respondent is given a copy of the AIM and asked to read the instructions carefully.
- The respondent is asked to rate how often they experience each of the emotions described in the items on a 6-point scale from “Never” to “Almost Always.”
- The respondent is asked to complete the questionnaire honestly and thoughtfully.
Reliability and Validity
The Affect Intensity Measure (AIM) has good reliability and validity.
Reliability refers to the consistency of the measure. The AIM has been shown to have good internal consistency, test-retest reliability, and rater reliability.
- Internal consistency refers to the extent to which the items on the AIM measure the same construct. The AIM has a high internal consistency coefficient of .87.
- Test-retest reliability refers to the extent to which the AIM produces similar scores when it is taken at two different times. The AIM has a test-retest reliability coefficient of .82.
- Rater reliability refers to the extent to which different raters agree on the scores for the AIM. The AIM has a rater reliability coefficient of .90.
Validity refers to the extent to which the measure measures what it is supposed to measure. The AIM has been shown to have good convergent validity and discriminant validity.
- Convergent validity refers to the extent to which the AIM correlates with other measures of the same construct. The AIM has been shown to correlate positively with other measures of affect intensity, such as the Differential Emotions Scale.
- Discriminant validity refers to the extent to which the AIM does not correlate with measures of constructs that it is not supposed to measure. The AIM has been shown to correlate negatively with measures of emotional stability and self-control.
Available Versions
40-Items
20-Items
Reference
Larsen, R. J., Diener, E., & Emmons, R. A. (1984, August). Affect intensity as a dimension
of temperament. Paper presented at the meeting of the American Psychological Association, Toronto.
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.
Important Link
Scale File:
Frequently Asked Questions
What is the Affect Intensity Measure (AIM)?
The AIM is a self-report questionnaire that measures the strength or weakness with which one experiences both positive and negative emotions.
How many items does the AIM have?
The AIM has 40 items in long form and 20 items in short form.
How is the AIM scored?
The AIM is scored by summing the ratings for each item. The scores for the positive and negative affect intensity factors are then calculated by summing the ratings for the items that load on each factor.
What is the reliability of the AIM?
The AIM has good reliability, with an internal consistency coefficient of .87.
What is the validity of the AIM?
The AIM has good validity, with good convergent and discriminant validity.
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