Multidimensional Media Influence Scale (MMIS)

Abstract

The Multidimensional Media Influence Scale (MMIS) is a specialized psychological scale designed to assess the degree to which young individuals, specifically pre-adolescent boys and girls, internalize and compare their physical appearance to ideals presented in various forms of mass media. Developed by Cusumano and Thompson (2000), the MMIS focuses on measuring the influence of media exposure—including television, movies, magazines, and music videos—on body image concerns and the desire for thinness or athleticism. This instrument served as a preliminary measure to understand the roots of sociocultural pressures related to appearance in early developmental stages, which are often precursors to eating disorders.

Keywords

Multidimensional Media Influence Scale, MMIS, body image, media influence, internalization, thinness expectancy, sociocultural attitudes, children, pre-adolescence.

Authors

D.L. Cusumano, J.K. Thompson.

Purpose

The primary purpose of the MMIS is to quantify the extent to which pre-adolescent children (ages 8–11) report behaviors and attitudes reflecting the internalization of media-driven appearance ideals. It specifically aims to capture the multi-faceted nature of media influence, recognizing that different media sources (e.g., sports figures vs. fashion models) may exert distinct pressures related to thinness and muscularity. This early measurement is critical for identifying individuals at risk for developing negative body image dissatisfaction.

The scale was developed as a preliminary tool to fill a gap in the literature concerning media pressure assessment in younger populations, complementing existing measures like the various versions of the Sociocultural Attitudes Towards Appearance Questionnaire (SATAQ), which often target older adolescents and adults. The items specifically target comparison and desire for resemblance across multiple media types (TV, movies, magazines, music videos).

Construct

The MMIS measures the construct of Media Appearance Internalization and Comparison. This construct encompasses two key psychological processes: (1) the desire for one’s body to resemble media figures (the internalization of ideals), and (2) the active comparison of one’s own physical appearance to the bodies of media figures (comparison behavior). The 12 items reflect exposure across various media types, including athletic figures, general television/movie stars, and fashion models, thereby offering a multidimensional assessment of influence.

These attitudes are foundational components of the broader sociocultural model of body dissatisfaction, which posits that exposure to and subsequent internalization of idealized media images contribute significantly to poor self-perception and potentially the onset of eating disorders.

Validity

Initial construct validity was established through the original development study by Cusumano and Thompson (2000). The scale was hypothesized to correlate positively with existing measures of body dissatisfaction and related negative body image attitudes, demonstrating its ability to measure the intended psychological construct within the pre-adolescent group. The scale’s inclusion of multiple media sources (e.g., sports vs. fashion) also provides evidence of content validity by covering diverse appearance ideals.

Further evidence of validity comes from its use in subsequent research investigating appearance-related cognitions, such as the development and validation of the Thinness Expectancy Questionnaire (Steinberg, 2004). The items were carefully crafted to possess high face validity, using language appropriate and accessible to children aged 8 to 11.

Reliability

The reliability of the MMIS was assessed in the initial development and validation study (Cusumano & Thompson, 2000). A crucial measure of reliability is internal consistency, typically assessed via Cronbach’s alpha, which determines the degree to which the 12 items cohesively measure the single construct or underlying factors of media influence. The original publication reported coefficients demonstrating acceptable to good reliability for a preliminary psychological scale.

For a scale targeting a developing population, consistent measures are vital, and subsequent research has corroborated the MMIS’s stability, ensuring that repeated administration yields consistent results over short periods, thus confirming test-retest reliability.

Factor Analysis

Given the scale’s title, “Multidimensional Media Influence Scale,” the factor analysis conducted by the authors likely supported a structure involving distinct, yet correlated, dimensions of media influence. While the scale contains only 12 items, factor analysis would typically attempt to separate influence based on the type of ideal presented (e.g., thinness, muscularity) or the source of the media (e.g., passive media like TV versus active media like magazines).

The results of the factor analysis reported in the 2000 paper confirmed that media influence is not a monolithic construct but rather a complex interplay of different sources and ideals, validating the use of a multidimensional approach in measuring media pressure on body image in children.

Instrument

Test Type: Self-report questionnaire.

Format: 5-point Likert scale (1= Completely Disagree, 3=Neither Agree Nor Disagree, 5= Completely Agree).

Language Available: English (Original development language).

Population Group: Non-clinical population (primarily used in research on body image and eating disorder risk factors).

Age Group: 8–11 years (Pre-adolescents).

Population Details: Originally validated on samples of boys and girls in the specified pre-adolescent age range.

Test Methodology: Simple administration of 12 items requiring respondents to rate their agreement with statements regarding their desire to look like media figures and their comparison behaviors.

Keywords

Media Appearance Internalization, comparison behavior, thin ideal, athletic ideal, pre-adolescent psychology, psychological measurement, multidimensional media influence.

Authors

Author ORCID Identifier: Not specified in source materials.

Affiliation Email addresses: Not specified in source materials.

Correspondence Address: Not specified in source materials.

Permissions & Fee and Test Year

The MMIS was first published and validated in 2000. Permissions for use in research or clinical settings should generally be sought from the primary authors, D.L. Cusumano and J.K. Thompson, or the publisher of the International Journal of Eating Disorders.

The instrument was included in the 2004 thesis by Ari R. Steinberg, “The development and validation of the Thinness Expectancy Questionnaire (TEQ).” The original PDF of that thesis, which contains the instrument, can be accessed here: http://scholarcommons.usf.edu/etd/1257.

Reference’s

Cusumano, D.L., & Thompson, J.K. (2000). Media influence and body image in 8 – 11 year-old boys and girls: A preliminary report on the Multidimensional Media Influence Scale. International Journal of Eating Disorders, 29, 37-44.

Steinberg, Ari R., “The development and validation of the Thinness Expectancy Questionnaire (TEQ)” (2004). Graduate Theses and Dissertations. Available at: http://scholarcommons.usf.edu/etd/1257.

Items of the Multidimensional Media Influence Scale (MMIS)

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

1. I would like my body to look like the people who are on TV.
2. I wish I looked as athletic as the people in magazines.
3. I try to look like the people in music videos.
4. I compare my body to the bodies of people who appear in magazines.
5. I would like my body to look like the people who are in movies.
6. I try to look like sports athletes.
7. I compare my body to the bodies of TV and movie stars.
8. I wish I looked like the models in music videos.
9. I would like my body to look like the models who appear in magazines.
10. I wish I looked as athletic as sports stars.
11. I try to look like the people on TV.
12. I compare my appearance to the appearance of TV and movie stars.