Social Phobia and Anxiety Inventory (SPAI)

Abstract

The Social Phobia and Anxiety Inventory (SPAI) is an empirically derived self-report inventory developed specifically for the clinical and research measurement of Social Phobia, now formally known as Social Anxiety Disorder (SAD). Established in 1989 by Turner, Beidel, Dancu, and Stanley, the SPAI consists of 45 items designed to comprehensively quantify the severity and manifestation of anxiety across three fundamental dimensions: cognitive processes, somatic symptoms, and observable avoidance behaviors.

Unlike many broader anxiety screening tools, the SPAI offers a specific profile of social fears, making it highly valuable for differential diagnosis and tracking therapeutic progress. Validation studies consistently demonstrate the scale’s robust reliability and strong concurrent validity, correlating well with both physiological responses and overt behavioral avoidance observed in clinical populations.

Keywords

Social Phobia, Social Anxiety Disorder, SPAI, Anxiety Inventory, Self-report measure, Cognitive symptoms, Somatic response, Behavioral avoidance, Clinical assessment, Psychometrics.

Authors

Samuel M. Turner, Deborah C. Beidel, Cynthia V. Dancu, Michael A. Stanley.

Purpose

The primary purpose of the Social Phobia and Anxiety Inventory (SPAI) is to serve as a comprehensive, specific, and empirically validated tool for quantifying the severity of social phobia in adult populations. It moves beyond general anxiety measures by uniquely focusing on the specific fears, symptoms, and behavioral patterns characteristic of Social Anxiety Disorder.

In clinical settings, the SPAI performs several critical functions. It assists clinicians in generating a detailed symptom profile, thereby guiding treatment planning. Furthermore, it is essential for monitoring the effectiveness of various interventions, such as Cognitive Behavioral Therapy (CBT) or pharmacological treatments, by reliably detecting clinically significant changes in symptom severity over time. For researchers, the SPAI is a fundamental instrument used to identify, characterize, and select participants with high levels of social anxiety for etiological and outcome studies.

Construct

The SPAI is structured to measure the multidimensional nature of Social Phobia (Social Anxiety Disorder). This construct is defined by intense fear and anxiety related to social or performance situations where the individual is exposed to potential scrutiny, evaluation, or negative judgment by others. The scale effectively captures the three core components of this anxiety state, providing subscale scores for each:

• Cognitive Dimension: This subscale assesses the maladaptive thought patterns, negative automatic thoughts, and catastrophic expectations that individuals harbor regarding social situations. These often involve fears of embarrassment, humiliation, or being perceived negatively by peers or authority figures.

• Somatic Dimension: This subscale quantifies the physical manifestations of anxiety experienced in social settings. These symptoms are involuntary and include physiological reactions such as trembling, excessive sweating, blushing, and noticeable heart palpitations.

• Behavioral Dimension: This subscale measures the degree of avoidance and escape behaviors utilized by the individual to prevent exposure to, or mitigate distress within, feared social situations. Examples range from actively refusing invitations to prematurely leaving a social gathering once anxiety peaks.

Validity

The SPAI has demonstrated strong psychometric validity across numerous investigations involving clinical samples diagnosed with Social Phobia. Initial studies established its external validity by confirming a direct relationship between SPAI total scores and the actual distress reported during real-world social encounters.

Specifically, the somatic items on the scale correlate significantly with objective physiological responses (e.g., heart rate increase), and the behavioral items show a strong association with observable avoidance behaviors during structured anxiety-producing tasks. Furthermore, the SPAI exhibits robust concurrent validity, showing high correlations with other highly respected measures of social anxiety, including the Social Phobia Inventory (SPIN) and the Fear of Negative Evaluation Scale (FNE). Crucially for clinical utility, the instrument demonstrates high sensitivity to change, enabling clinicians and researchers to accurately track even subtle fluctuations in social phobia severity following therapeutic intervention.

Reliability

The reliability of the Social Phobia and Anxiety Inventory is considered strong, supporting its consistent use as a measure of social anxiety. The scale exhibits excellent internal consistency, meaning that the items within the inventory are highly interrelated and measure a unified construct. This is evidenced by high Cronbach’s alpha coefficients, which for the total score and its primary subscales typically range between 0.87 and 0.93.

In terms of temporal stability, the SPAI has also performed well. A test-retest reliability correlation of 0.85 was reported over a two-week interval, confirming that the measure yields stable scores when administered repeatedly to individuals whose underlying levels of social anxiety have remained consistent during that period.

Factor Analysis

While the adult version of the SPAI is conceptually divided into cognitive, somatic, and behavioral dimensions based on theoretical models of Social Phobia, the related child version, the Social Phobia and Anxiety Inventory for Children (SPAI-C), was developed using empirical factor analysis (Beidel, Turner, & Morris, 1995). The factor analysis of the SPAI-C yielded three distinct factors that structure the manifestation of social anxiety in children and adolescents:

• Factor 1: Assertiveness/General Conversation: This factor captures anxiety associated with general social interaction, initiating conversation, asserting oneself, confronting others, or dealing with potential social embarrassment.

• Factor 2: Traditional Social Encounters: This factor encompasses anxiety and somatic symptoms experienced both prior to and during typical social interactions, often resulting in strong tendencies toward avoidance or early withdrawal from events such as parties or school activities.

• Factor 3: Public Performance: This factor specifically targets fears related to being observed or evaluated while performing a task, such as speaking aloud in a classroom setting, participating in a public recital, or otherwise becoming the center of attention in a group.

Instrument

Test Type: Empirically derived Self-Report Inventory (Psychological Assessment Instrument)

Format: 45 items scored on a 7-point Likert scale (1=Never to 7=Always). The total score ranges from 0 to 180.

Language Available: English (Primary).

Population Group: Clinical and non-clinical adults exhibiting symptoms of Social Phobia/Social Anxiety Disorder.

Age Group: Adults (A separate child version, the SPAI-C, is available for children).

Population Details: Developed and validated primarily using a clinical sample of individuals formally diagnosed with social phobia.

Test Methodology: Respondents are asked to indicate the frequency or severity of specific anxious thoughts, physical symptoms, and avoidance behaviors across a variety of typical social situations. The resulting total score and three subscale scores are then used to quantify the severity and profile the specific nature of the individual’s social anxiety.

Keywords

Social anxiety assessment, Psychodiagnostics, Treatment monitoring, Anxiety disorder, Differential diagnosis, Phobia measurement, Specific phobia, Agoraphobia screening.

Authors

Author ORCID Identifier: Not provided in source material.

Affiliation Email addresses: Not provided in source material.

Correspondence Address: Information regarding the entire factor loading table for the SPAI-C is noted as available upon request from Deborah C. Beidel.

Permissions & Fee and Test Year

The Social Phobia and Anxiety Inventory (SPAI) was first published in 1989. Specific requirements regarding permission for use and associated fees should be directed toward the respective journal publishers or the authors. Documentation related to the adult instrument can be found online here: https://idea.library.drexel.edu/islandora/object/idea%3A346/datastream/OBJ/view. The original PDF for the SPAI-C manual or related documentation may be available here: http://tracy_morris.psychology.wvu.edu/r/download/109815.

Reference’s

• Beidel, D.C., Borden, J.W., Turner, S.M., & Jacob, R.G. (1989). The Social Phobia and Anxiety Inventory: Concurrent validity with a clinical sample. Behavioural Research and Therapy, 27, 573-576.

• Beidel, D.C., Turner, S.M., Stanley, M.A., & Dancu, C.V. (1989). The Social Phobia and Anxiety Inventory: Concurrent and external validity. Behavior Therapy, 20, 417-427.

• Turner, S.M., Beidel, D.C., Dancu, C.V., & Stanley, M.A. (1989). An empirically derived inventory to measure social fears and anxiety: The Social Phobia and Anxiety Inventory. Psychological Assessment, 1, 35-40.

• Turner, S.M., Stanley, M.A., Beidel, D.C., & Bond, L. (1989). The Social Phobia and Anxiety Inventory: Construct validity. Journal of Psychopathology and Behavioral Assessment, 11, 221-234.

• Beidel, D.C., Turner, S.M., & Cooley, M.R. (1993). Assessing reliable and clinically significant change in social phobia: Validity of the Social Phobia and Anxiety Inventory. Behavioural Research and Therapy, 31, 331-337.

• Beidel, D.C., Turner, S.M., Morris, T.L. (1995). A New Inventory to Assess Childhood Social Anxiety and Phobia: The Social Phobia and Anxiety Inventory for Children. Psychological Assessment, 7(1), 73-79.

• Casten, Kircia Marie., Herbert, James D. (2004). Marital Functioning and Communication in a Clinical Sample of Social Anxiety Disorder Clients. Drexel University. Doctoral dissertation.

Items of the Social Phobia and Anxiety Inventory (SPAI)

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

1. I feel anxious when entering social situations where there is a small group.

2. I feel anxious when entering social situations where there is a large group.

3. I feel anxious when I am in a social situation and I become the center of attention.

4. I feel anxious when I am in a social situation and I am expected to engage in some activity.

5. I feel anxious when making a speech in front of an audience.

6. I feel anxious when speaking in a small informal meeting.

7. I feel so anxious about attending social gatherings that I avoid these situations.

8. I feel so anxious in social situations that I leave the social gathering.

9. I feel anxious when in a small gathering with:

   • Strangers

   • Authority Figures

   • Opposite sex

   • People in general

10. I feel anxious when in a large gathering with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

11. I feel anxious when in a bar or restaurant with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

12. I feel anxious and I do not know what to do when in a new situation with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

13. I feel anxious and I do not know what to do when in a situation involving confrontation with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

14. I feel anxious and I do not know what to do when in an embarrassing situation with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

15. I feel anxious when discussing intimate feelings with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

16. I feel anxious when stating an opinion to:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

17. I feel anxious when talking about business with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

18. I feel anxious when approaching and/or initiating a conversation with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

19. I feel anxious when ha‎ving to interact for longer than a few minutes with:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

20. I feel anxious when drinking (any type of beverage) and/or eating in front of:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

21. I feel anxious when writing or typing in front of:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

22. I feel anxious when speaking in front of:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

23. I feel anxious when being criticized or rejected by:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

24. I attempt to avoid social situations where there are:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

25. I leave social situations where there are:

    • Strangers

    • Authority Figures

    • Opposite sex

    • People in general

26. Before entering a social situation I think about all the things that can go wrong. The types of thoughts I experience are:

    • Will I be dressed properly?

    • I will probably make a mistake and look foolish.

    • What if no one speaks to me?

    • If there is a lag in the conversation what can I talk about?

27. I feel anxious before entering a social situation.

28. My voice leaves me or changes when I am talking in a social situation.

29. I am not likely to speak to people until they speak to me.

30. I experience troublesome thoughts when I am in a social setting. For example:

    • I wish I could leave and avoid the whole situation.

    • If I mess up again I will really lose my confidence.

    • What kind of impression am I making?

    • Whatever I say it will probably sound stupid.

31. I experience the following prior to entering a social situation:

    • Sweating

    • Blushing

    • Shaking

    • Frequent urge to urinate

    • Heart palpitations

32. I experience the following in a social situation:

    • Sweating

    • Blushing

    • Shaking

    • Frequent urge to urinate

    • Heart palpitations

33. I feel anxious when I am home alone.

34. I feel anxious when I am in a strange place.

35. I feel anxious when I am on any form of public transportation (i.e., bus, train, airplane).

36. I feel anxious when crossing streets.

37. I feel anxious when I am in crowed places (i.e., stores, church, movies, restaurants, etc.).

38. Being in large open spaces makes me feel anxious.

39. I feel anxious when I am in enclosed places (elevators, tunnels, etc.).

40. Being in high places make me feel anxious (i.e., tall buildings).

41. I feel anxious when waiting in a long line.

42. There are times when I feel like I have to hold on to things because I am afraid I will fall.

43. When I leave home and go to various public places, I go with a family member or friend.

44. I feel anxious when riding in a car.

45. There are certain places I do not go because I may feel trapped.