Physical Appearance State and Trait Anxiety Scale

Abstract

The Physical Appearance State and Trait Anxiety Scale (PASTAS) is a specialized 16-item self-report instrument developed to precisely quantify anxious, tense, or nervous feelings specifically related to one’s physical appearance. Developed by Reed, Thompson, Brannick, and Sacco in 1991, the PASTAS distinguishes itself by providing separate measures for state anxiety (A-State), which reflects immediate, situational distress, and trait anxiety (A-Trait), which measures stable, enduring tendencies toward appearance-related worry.

This instrument is critical for research and clinical practice concerning body image disturbances, eating disorders, and appearance-based social anxiety. By focusing on specific body parts and overall attractiveness concerns, the PASTAS allows clinicians to determine whether appearance-related distress is a transient emotional reaction or a fundamental characteristic of the individual’s psychological profile.

Keywords

Physical Appearance, State and Trait Anxiety, Body Image Disturbance, Body Dissatisfaction, Psychometric Scale, Eating Disorders, Body Dysmorphia, Self-Report.

Authors

Reed, David L., Thompson, J. Kevin, Brannick, Michael T., Sacco, William P.

Purpose

The primary objective of the PASTAS is to offer a psychometrically robust tool for assessing appearance-specific anxiety, addressing a gap left by earlier instruments that often measured only general anxiety or global body image dissatisfaction. The scale’s utility lies in its capacity to parse chronic, enduring worry (trait) from acute, situational distress (state).

This critical separation enables researchers and clinicians to accurately diagnose the nature of appearance concerns. For instance, a high State score might indicate distress specific to a novel social setting, while a high Trait score suggests a pervasive, stable disposition toward viewing appearance situations as threatening. This differentiation is essential for customizing therapeutic interventions and rigorously evaluating their efficacy in treating conditions like body dysmorphic disorder or severe body dissatisfaction.

Construct

The PASTAS operationalizes the psychological construct of Physical Appearance Anxiety, which is a specialized facet of the broader domain of body image disturbance. The scale adheres to the established model of state and trait anxiety, measuring this construct across two distinct dimensions:

• State Anxiety (A-State): This dimension captures the transient, immediate feelings of nervousness, apprehension, or tension specifically linked to one’s physical appearance at the moment of assessment. Items are rated based on current intensity.
• Trait Anxiety (A-Trait): This dimension assesses stable individual differences in the general propensity to experience appearance-related anxiety. It reflects a habitual disposition to perceive situations involving physical appearance as anxiety-provoking or threatening over time.

The 16 items on the scale are highly specific, covering common weight and shape-related areas (e.g., thighs, stomach) as well as less frequently assessed anatomical features (e.g., ears, wrists), thereby ensuring a comprehensive assessment of somatic appearance concerns.

Validity

The initial development and validation studies conducted in 1991 established strong psychometric evidence supporting the scale’s use. Construct validity was demonstrated through expected correlations: the PASTAS scores correlated significantly with established measures of general anxiety (3/5) and global body dissatisfaction, confirming that it measures an anxiety-related construct. Importantly, it also demonstrated unique variance, confirming its specific focus on physical appearance.

Furthermore, discriminant validity was supported by evidence showing that the PASTAS was distinct from measures of related but separate constructs, such as general self-esteem or depression. This finding confirms that the scale measures appearance-specific anxiety rather than generalized psychological distress. The theoretical distinction between the transient State subscale and the enduring Trait subscale was also empirically supported, as they were shown to be correlated yet separable dimensions.

Reliability

The PASTAS demonstrates high internal consistency, a crucial indicator of reliability. Validation studies consistently report high Cronbach’s alpha coefficients for both the State and Trait versions, indicating that the items within each subscale reliably measure the same underlying construct of appearance anxiety.

The test-retest reliability profile is consistent with the theoretical framework of state-trait measurement. The Trait version is expected to show high test-retest stability over extended periods, reflecting its measurement of a stable personality disposition. Conversely, the State version is expected to show lower stability across time, as its purpose is to be sensitive to situational changes and transient emotional fluctuations.

Factor Analysis

Initial factor analytic studies were instrumental in confirming the internal measurement structure of the PASTAS. Although the scale often yields a single total score for overall appearance anxiety, separate factor analyses were conducted to rigorously confirm the two-dimensional structure critical to the scale’s design: the State dimension and the Trait dimension.

This confirmed bifactorial structure is fundamental to the scale’s utility, ensuring that the measurement of anxiety related to physical appearance remains consistent, regardless of whether the respondent is reporting on their current emotional state or their enduring psychological disposition. Given the diverse nature of the 16 body parts assessed, the factor structure also likely supports groupings based on functional body areas (e.g., weight-related areas) or facial features.

Instrument

Test Type: Self-report psychometrics (2/5) scale

Format: Paper-and-pencil or digital administration, utilizing distinct Likert Scale (2/5) formats for the State and Trait versions.

Language Available: Primarily English (Original development).

Population Group: General population, students, and clinical populations experiencing body image disturbance.

Age Group: Adolescents and Adults.

Population Details: The scale was initially developed and validated using college student samples but is broadly applicable to individuals with concerns regarding physical appearance. It is frequently employed in research related to eating disorders and body dysmorphic disorder.

Test Methodology: Respondents rate the extent to which they feel anxious, tense, or nervous about 16 specific aspects of their physical appearance. The Trait version utilizes a frequency-based rating (1=Never to 5=Always), while the State version employs an intensity-based rating (0=Not at All to 4=Exceptionally So).

Keywords

PASTAS, Physical Appearance State and Trait Anxiety Scale, Body Image Disturbance, Psychological Assessment, Psychometrics (3/5), Self-Consciousness, Likert Scale (3/5), Body Dysmorphic Disorder.

Authors

Author ORCID Identifier: N/A (Information not provided in source.)

Affiliation Email addresses: [email protected], [email protected]

Correspondence Address: J. Kevin Thompson, Ph.D, Department of Psychology, University of South Florida, 4202 Fowler Ave, Tampa, FL 33620-8200

Permissions & Fee and Test Year

The Physical Appearance State and Trait Anxiety Scale (PASTAS) was first published and validated in 1991. For researchers seeking usage permissions or a copy of the measure, it is recommended to contact the primary author, J. Kevin Thompson, Ph.D., directly at the University of South Florida.

The instrument is often accessible online for research purposes via the author’s institutional websites: http://jkthompson.myweb.usf.edu/PASTAS.htm and http://shell.cas.usf.edu/birw/m_n/scale/PASTAS.htm.

Reference’s

• Reed, David L.; Thompson, J. Kevin; Brannick, Michael T.; Sacco, William P. (1991). Development and validation of the Physical Appearance State and Trait Anxiety Scale (PASTAS). Journal of Anxiety Disorders, Vol 5(4), 323-332.

Items of the Physical Appearance State and Trait Anxiety Scale

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

PASTAS — State Version & Trait Version

Right now, I feel anxious, tense, or nervous about:

1. The extent to which I look overweight.
2. My thighs.
3. My buttocks.
4. My hips.
5. My stomach (abdomen).
6. My legs.
7. My waist.
8. My muscle tone.
9. My ears.
10. My lips.
11. My wrists.
12. My hands.
13. My forehead.
14. My neck.
15. My chin.
16. My feet.

Trait Scoring Scale (Frequency): Never=1, Seldom=2, Sometimes=3, Often=4, Always=5

State Scoring Scale (Intensity): Not at All=0, Slightly=1, Moderately=2, Very Much So=3, Exceptionally So=4