Inventory of Social Supportive Behavior (ISSB)

1. Abstract

The Inventory of Social Supportive Behavior (ISSB) is a widely utilized psychometric instrument developed by Manuel Barrera Jr., Irwin N. Sandler, and Thomas B. Ramsay in 1981 to measure enacted social support. In contrast to tools that assess perceived social support or network morphology, the ISSB explicitly captures the frequency of concrete supportive actions executed by individuals within a recipient’s social environment over an established timeframe, usually the preceding month. The instrument comprises 40 self-report items evaluated on a 5-point frequency scale ranging from 1 (Not at all) to 5 (Every day). Across empirical investigations, factor analyses of the ISSB have identified distinct multidimensional structures, most prominently a four-factor solution consisting of Directive Guidance, Nondirective/Emotional Support, Positive Social Interaction, and Tangible Assistance, alongside a validated five-factor model derived by Barrera and Ainlay (1983).

Psychometric evaluations demonstrate exceptional internal consistency across clinical, community, and collegiate samples, with total scale Cronbach’s alpha coefficients consistently exceeding .90 (typically .92 to .94) and test-retest reliability estimates demonstrating temporal stability ranging between .82 and .88 over brief intervals. Construct validity is evidenced through theoretical patterns of association with life stress, psychological distress, depressive symptom trajectories, and health outcomes. By systematically quantifying enacted behaviors rather than general subjective appraisals, the ISSB remains a benchmark measurement tool within clinical psychology, psychiatric epidemiology, community psychology, and medical sociology for investigating the operational mechanisms of social support networks.

2. Keywords

Inventory of Social Supportive Behavior, ISSB, enacted social support, tangible assistance, emotional support, directive guidance, psychometrics, stress-buffering hypothesis, coping resources, social network behavior

3. Authors

The Inventory of Social Supportive Behavior was primarily formulated and validated by:

• Manuel Barrera, Jr., Ph.D. — Professor Emeritus of Psychology, Department of Psychology, Arizona State University, Tempe, Arizona, United States; Senior Scientist, Oregon Research Institute. Dr. Barrera is an internationally recognized scholar in community psychology, specializing in social support operationalization, prevention science, and psychological interventions for ethnic minority populations.
• Irwin N. Sandler, Ph.D. — Research Professor of Psychology, Department of Psychology, Arizona State University, Tempe, Arizona, United States. Dr. Sandler is renowned for his pioneering research on child and family resilience, preventive interventions, and community-based mental health promotion.
• Thomas B. Ramsay, M.A. — Clinical and community psychology researcher formerly affiliated with the Department of Psychology at Arizona State University, contributing extensively to early instrument scaling, item pool generation, and preliminary psychometric trials.

4. Purpose

The development of the Inventory of Social Supportive Behavior arose from a critical theoretical and methodological limitation in early social support research. Prior to 1981, psychological literature routinely confounded structurally distinct dimensions of social support, operationalizing the construct through structural network characteristics (such as network density, reciprocity, or contact frequency) or through generalized cognitive evaluations of support availability (perceived social support). Barrera and colleagues recognized that such operationalizations failed to delineate whether psychological well-being was sustained by subjective beliefs of being cared for or by the overt behavioral transactions that actually occur during times of stress. The fundamental purpose of the ISSB was therefore to establish an objective, behavioral inventory that explicitly assesses enacted support—the direct behavioral manifestation of supportive exchanges provided by the social network.

The primary clinical and research utility of the ISSB spans multiple specialized domains:

• Empirical Delineation of Support Processes: The ISSB provides investigators with a standardized mechanism to untangle the empirical independence and differential predictive validity of enacted support compared to perceived support. It allows researchers to quantify whether high levels of actual support mobilization directly buffer psychological strain or, paradoxically, correlate with elevated distress due to high acute life adversity.
• Clinical and Intervention Evaluation: In clinical trials and community intervention studies, the ISSB serves as an outcome and process measure to evaluate whether peer-support interventions, family therapy regimens, or mutual-aid groups genuinely stimulate the frequency of supportive actions exchanged among participants.
• Epidemiological and Medical Research: The instrument is widely deployed to examine how concrete assistance (such as transportation, financial aid, or symptom monitoring) affects recovery trajectories in patients facing acute medical crises, such as maternal adjustment in pediatric cardiology, parental stress in pediatric intensive care units, and adherence to chronic disease regimens.
• Theoretical Modeling of Coping Paradigms: Within stress and coping frameworks, the ISSB enables granular testing of Cohen and Wills’ (1985) stress-buffering model versus direct-effect models by delineating specific behavioral types (e.g., informational versus emotional) that match situational stressor demands.

5. Psychological Construct

The psychological construct evaluated by the ISSB is enacted social support, defined as behavioral interactions wherein an individual’s social network executes specific, identifiable actions directed toward assisting, comforting, advising, or resourcing that individual. While the instrument yields an omnibus global enacted support index, comprehensive psychometric analyses have identified distinct sub-dimensions reflecting the diverse taxonomy of supportive conduct.

Directive Guidance

Directive Guidance encompasses instructional and advisory acts delivered by network members. This dimension is characterized by specific behavioral contributions intended to structure the recipient’s problem-solving efforts. Exemplary behaviors include providing step-by-step instructions on navigating complex challenges, offering clear behavioral advice regarding which professionals to consult, assisting in establishing concrete life goals, and delivering direct feedback on how the recipient is managing stressors. For example, item 20 (“Taught you how to do something”) and item 18 (“Told you who you should see for assistance”) quantify functional skill transmission and expert navigation within social networks.

Nondirective / Emotional Support

Nondirective or Emotional Support represents behaviors that communicate affection, unconditional interpersonal acceptance, esteem, and active emotional availability without imposing explicit directives or unsolicited advice. This construct reflects the interpersonal safe haven provided by close ties. Behaviors loading onto this dimension include listening attentively to private disclosures, validating personal worth, expressing unconditional physical affection, and reinforcing the enduring availability of the relationship. Standard operational items include item 8 (“Comforted you by showing you some physical affection”) and item 10 (“Told you that you were ok just the way you are”), both of which communicate relational security and interpersonal validation.

Positive Social Interaction

Positive Social Interaction captures behavioral engagements intended to facilitate distraction, positive affect, and cognitive reframing through pleasant companionship. Rather than addressing distress via analytical problem-solving or deep emotional processing, this subconstruct measures interactions that offer relief from acute cognitive rumination. It involves network members initiating leisure activities, discussing shared personal interests, or engaging in reciprocal humor. Prototypic manifestations include item 4 (“Did something together to help you get your mind off things”) and item 37 (“Joked and kidded to try to cheer you up”), which serve to temporarily lower sympathetic arousal and elevate mood.

Tangible Assistance

Tangible Assistance (often designated as instrumental support or material aid) assesses concrete, practical, and physical resource mobilization. This construct reflects the utilitarian dimension of social networks, encompassing practical labor, shelter, material goods, and financial resources. Typical items reflect high-utility environmental interventions, such as item 1 (“Looked after a family member while you are away”), item 20 (“Provided you with some transportation”), and items 17, 22, 34, and 40, which precisely measure monetary loans and outright gifts of varying economic amounts. This dimension is critical for mitigating resource depletion during acute life events.

6. Theoretical Framework

The Inventory of Social Supportive Behavior is rooted in the social-ecological paradigm of community psychology and the cognitive-relational theory of stress and coping articulated by Richard Lazarus and Susan Folkman (1984). Within Lazarus and Folkman’s transactional model, psychological stress occurs when an individual appraises environmental demands as exceeding available coping resources. Social support operates as an external coping resource that alters primary appraisal (appraising a stressor as less threatening) and secondary appraisal (evaluating one’s resources to cope with the demand).

Central to Barrera’s theoretical conceptualization is the operational tripartite division of social support into three analytically distinct phenomena: social embeddedness, perceived social support, and enacted social support. Social embeddedness refers strictly to structural network connectivity, such as marital status or contact volume. Perceived social support pertains to the cognitive belief or confidence that support would be made available if needed in the future. Enacted social support, exclusively measured by the ISSB, denotes the direct behavioral output of social interactions—the actual help rendered when stressors occur.

A primary theoretical impetus for establishing the ISSB was testing the Stress-Buffering Hypothesis proposed by Sheldon Cohen and Thomas Wills (1985). The stress-buffering model posits that social support protects individuals from the pathogenic consequences of stressful events primarily under high-strain conditions. However, empirical investigations examining the stress-buffering hypothesis using enacted support measures often reveal complex findings. Unlike perceived support—which consistently demonstrates linear, protective correlations with psychological well-being—enacted support as measured by the ISSB frequently correlates positively with subjective distress in cross-sectional designs. Barrera and Ainlay explained this through the mobilization hypothesis: stressful life circumstances trigger the activation and mobilization of supportive behaviors from the social network. Consequently, individuals experiencing severe psychological crises or acute life adversity report higher enacted support scores precisely because their environment is actively responding to overt signs of distress.

Furthermore, the ISSB integrates principles from Cutrona and Russell’s (1990) Optimal Matching Theory. Optimal matching posits that support acts are psychologically adaptive only when the specific nature of the enacted support aligns with the particular demands of the stressor. For instance, uncontrollable life stressors (e.g., bereavement, terminal medical diagnosis) are hypothesized to benefit most from emotional support and positive social interaction, whereas controllable stressors (e.g., academic challenges, logistical complications) are resolved through directive guidance and tangible assistance. The multidimensional scoring of the ISSB facilitates empirical tests of this congruence principle.

7. Validity

Extensive psychometric investigations have established robust evidence supporting the construct, convergent, discriminant, and criterion-related validity of the Inventory of Social Supportive Behavior across diverse clinical and non-clinical cohorts.

Construct and Factorial Validity

Construct validity was initially documented by Barrera, Sandler, and Ramsay (1981) using sample populations of undergraduate college students, later replicated in samples of pregnant adolescents, mothers of medically compromised infants, and working adults. The underlying multidimensional construct reliably organizes supportive behaviors into distinct functional clusters. Barrera and Ainlay (1983) conducted an empirical examination of support taxonomy, corroborating that items grouped logically into directive guidance, nondirective support, positive interaction, and tangible assistance, demonstrating coherent internal factor validity.

Convergent Validity

Convergent validity is illustrated by significant correlations between the ISSB and alternative indices of social network involvement and relationship functioning. Enacted support scores correlate positively with social network size, frequency of social contacts, and relational intimacy. Studies assessing concurrent administration of the ISSB with perceived support scales—such as the Perceived Social Support Scale (PSS) and the Multidimensional Scale of Perceived Social Support (MSPSS)—typically report moderate positive correlations ranging between r = .30 and r = .50. These moderate values confirm that while enacted and perceived support are conceptually related parts of the broader social support domain, they capture distinct empirical phenomena.

Discriminant Validity

The discriminant validity of the ISSB is reinforced by its differential pattern of associations with psychological distress indicators compared to cognitive support appraisals. In cross-sectional community studies, perceived support consistently correlates negatively with anxiety, depressive symptom scores on the Beck Depression Inventory, and somatic complaints. In contrast, the ISSB frequently shows zero or mildly positive zero-order correlations with psychological distress (r = .10 to .25), reflecting that enacted support is triggered by acute distress-driven network mobilization. When life events and baseline stress levels are statistically controlled using hierarchical multiple regression, the unique variance attributed to ISSB behaviors frequently accounts for successful coping adaptation and stress mitigation.

Predictive and Criterion Validity

Predictive validity has been repeatedly substantiated in medical and community psychology literature. Kaul (1995) demonstrated that ISSB scores predicted psychological adaptation and coping efficacy among mothers of children diagnosed with congenital heart disease. Similarly, Huckabay and Tilem-Kessler (1999) utilized the ISSB to demonstrate how specific configurations of enacted instrumental and emotional support mitigated acute parental stress during emergency admissions to pediatric intensive care units (PICU). Longitudinal studies further confirm that baseline enacted tangible and directive assistance directly predicts recovery trajectories and health service utilization patterns following major life stressors.

8. Reliability

The Inventory of Social Supportive Behavior demonstrates robust reliability indices across internal consistency and temporal stability metrics across diverse empirical implementations.

Internal Consistency

In their seminal validation study, Barrera, Sandler, and Ramsay (1981) reported an omnibus Cronbach’s alpha coefficient of .93 for the total 40-item instrument, indicating a high degree of item inter-relatedness. Subsequent research across clinical and non-clinical populations has replicated these findings, with overall alpha values typically ranging between .92 and .95:

• Total Scale: α = .92 to .94 across college, community, and clinical cohorts.
• Directive Guidance Subscale: α typically ranges from .82 to .87.
• Nondirective / Emotional Support Subscale: α ranges from .83 to .89.
• Tangible Assistance Subscale: α ranges from .75 to .83, reflecting the diverse physical items (transportation, monetary aid, shelter) within this domain.
• Positive Social Interaction Subscale: α ranges from .74 to .81.

Temporal Stability (Test-Retest Reliability)

Test-retest reliability evaluations demonstrate strong temporal stability when administered across appropriate longitudinal windows. Barrera et al. (1981) administered the ISSB across a two-day interval, yielding a test-retest correlation coefficient of r = .88 (p < .001). Over a more extended four-week measurement interval, test-retest correlations remain robust, typically registering between r = .80 and r = .83. Because the ISSB is designed to capture dynamic behavioral transactions within an active social environment over a discrete monthly window, moderate fluctuations across multi-month evaluations reflect genuine situational variations in stress exposure and support mobilization rather than psychometric instability.

9. Factor Analysis

Extensive exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) investigations have evaluated the structural dimensions of the 40-item ISSB. Early psychometric theory debated whether enacted support represents a single overarching construct or a multifaceted constellation of functional domains.

Exploratory Factor Analyses

Barrera and Ainlay (1983) subjected the ISSB item matrix to principal components analysis (PCA) with orthogonal and oblique rotations. Their structural examination identified four primary factors accounting for substantial cumulative variance:

1. Directive Guidance: High loadings from items such as item 7 (“Gave you some information on how to do something”), item 15 (“Gave you some information to help you understand a situation”), item 20 (“Taught you how to do something”), and item 18 (“Told you who you should see for assistance”), with factor loadings ranging from .48 to .76.
2. Nondirective / Emotional Support: Substantial loadings from item 6 (“Expressed esteem or respect for a competency”), item 8 (“Comforted you by showing you some physical affection”), item 10 (“Told you that you were ok just the way you are”), and item 24 (“Listened to you talk about your private feelings”), with loadings spanning .51 to .78.
3. Tangible Assistance: Prominent loadings from items measuring material aid and concrete physical help, including item 1 (“Looked after a family member”), item 10 (“Provided you with some transportation”), item 17 (“Gave you over $25″), item 22 (“Gave you under$25″), and item 38 (“Provided you with a place to stay”), loading between .45 and .81.
4. Positive Social Interaction: Distinct loadings from items addressing social distraction and recreation, including item 4 (“Did something together to help you get your mind off things”) and item 37 (“Joked and kidded to try to cheer you up”), with loadings from .46 to .71.

Confirmatory Factor Analyses

Subsequent structural equation modeling and CFA evaluations across various cultural and clinical populations have compared one-factor, four-factor, and five-factor alternative models. While a strict unidimensional model demonstrates marginal fit (CFI < .85, RMSEA > .08), multidimensional hierarchical models—featuring a higher-order Enacted Support construct superordinate to the first-order functional factors—exhibit superior model fit indices (CFI > .92, TLI > .90, RMSEA ≤ .055). These structural findings confirm that researchers can interpret both individual functional subscale scores and an omnibus composite score depending on their research focus.

10. Instrument / Measurement Tool

• Instrument Name: Inventory of Social Supportive Behavior (ISSB)
• Primary Authors: Manuel Barrera, Jr., Ph.D., Irwin N. Sandler, Ph.D., and Thomas B. Ramsay, M.A.
• Publication Year: 1981
• Construct Assessed: Enacted Social Support (concrete, behavioral frequency of received support)
• Administration Format: Self-administered pencil-and-paper questionnaire, standardized interview, or digital computer-based assessment
• Time Required for Completion: Approximately 10 to 15 minutes
• Target Population: Adolescents, university students, and adult populations across community, clinical, and workplace settings
• Item Count: 40 individual behavioral items
• Standard Timeframe: Frequency of occurrences within the preceding four weeks (past month)
• Response Scale: 5-point Likert-type frequency scale:
  • 1 = Not at all
  • 2 = Once or twice
  • 3 = Once a week
  • 4 = Several times a week
  • 5 = Every day
• Scoring Procedures:
  • Total Score: Summing all 40 item ratings yields an omnibus score ranging from 40 to 200. Higher composite values denote a greater frequency of supportive behavioral acts received.
  • Dimension / Subscale Scores: Subscale indices are derived by computing the mean or sum of items assigned to each respective functional domain (Directive Guidance, Nondirective/Emotional Support, Tangible Assistance, and Positive Social Interaction).
  • Reverse Scoring: There are no reverse-coded items; all statements are scored in a direct, positive direction.

11. Permissions & Fee and Test Year

The Inventory of Social Supportive Behavior was introduced in 1981 by Manuel Barrera, Jr., Irwin N. Sandler, and Thomas B. Ramsay through their seminal publication in the American Journal of Community Psychology. The instrument was developed within academic research frameworks and is accessible for non-commercial educational, scientific, and empirical research applications without proprietary royalty fees.

Researchers intending to administer the ISSB in formal investigations are expected to properly cite the foundational validation articles. Researchers adapting the tool for cross-cultural, language translation, or clinical commercial purposes should seek formal institutional clearance or contact the corresponding author, Dr. Manuel Barrera, Jr., through the Department of Psychology at Arizona State University.

12. References

• Barrera, M., Jr. (1981). Social support in the adjustment of pregnant adolescents: Assessment issues. In B. H. Gottlieb (Ed.), Social networks and social support (pp. 69–96). Sage Publications.
• Barrera, M., Jr., & Ainlay, S. L. (1983). The structure of social support: A conceptual and empirical analysis. Journal of Community Psychology, 11(2), 133–143. https://doi.org/10.1177/0265407590074008
• Barrera, M., Jr., Sandler, I. N., & Ramsay, T. B. (1981). Preliminary development of a scale of social support: Studies on college students. American Journal of Community Psychology, 9(4), 435–447. https://doi.org/10.1007/BF00918174
• Cohen, S., & Wills, T. A. (1985). Stress, social support, and the buffering hypothesis. Psychological Bulletin, 98(2), 310–357. https://doi.org/10.1037/0033-2909.98.2.310
• Cutrona, C. E., & Russell, D. W. (1990). Type of social support and specific stress: Toward a theory of optimal matching. In B. R. Sarason, I. G. Sarason, & G. R. Pierce (Eds.), Social support: An interactional view (pp. 319–366). John Wiley & Sons.
• Huckabay, L. M., & Tilem-Kessler, D. (1999). Patterns of parental stress in PICU emergency admission. Dimensions of Critical Care Nursing, 18(2), 36–42. https://doi.org/10.1097/00003465-199903000-00009
• Kaul, M. (1995). Psychological adaptation of mothers of children with congenital heart disease: The role of social support and social relationships (Doctoral dissertation, Wayne State University). ProQuest Dissertations Publishing.
• Lazarus, R. S., & Folkman, S. (1984). Stress, appraisal, and coping. Springer Publishing Company.

13. Items of the Scale (Questionnaire)