Abstract
The Social Safeness and Pleasure Scale (SSPS) is a standardized self-report psychometric instrument designed to assess the degree to which individuals experience their social environments and relational worlds as safe, soothing, warm, and comforting. Developed by Professor Paul Gilbert and his colleagues in 2009 within the clinical and evolutionary framework of Compassion-Focused Therapy (CFT), the instrument operationalizes the affective output of the evolutionary “soothing-contentment” emotion regulation system. While conventional psychopathology research historically emphasized negative affect or active, agentic positive affect (such as excitement, pride, and achievement-oriented drive), the SSPS explicitly evaluates a distinct, low-arousal form of relational positive affect characterized by contentment, interpersonal warmth, social belonging, and emotional safeness.
The instrument consists of 11 authentic items rated on a 5-point Likert scale ranging from 1 (“Almost never”) to 5 (“Almost all the time”), yielding a total composite score between 11 and 55. Psychometric evaluations across clinical and non-clinical populations demonstrate that the SSPS possesses a robust unidimensional factor structure, exceptional internal consistency (Cronbach’s alpha typically ranging between .91 and .94), and high test-retest reliability. Furthermore, the scale demonstrates rigorous construct, convergent, and discriminant validity: it displays robust inverse associations with measures of depression, social anxiety, internal and external shame, loneliness, and self-criticism, alongside strong positive correlations with secure attachment styles, self-compassion, physiological indicators of vagal tone (such as heart rate variability), and general psychological well-being. This paper provides an exhaustive academic review of the scale’s theoretical foundations, structural and psychometric validation data, clinical utility, scoring procedures, and complete item composition.
Keywords
Social Safeness and Pleasure Scale, SSPS, Social Safeness, Compassion-Focused Therapy, Evolutionary Psychology, Soothing System, Attachment, Interpersonal Connectedness, Psychological Assessment, Psychometrics
Authors
The Social Safeness and Pleasure Scale was developed by Paul Gilbert, Kirsten McEwan, Rebecca Mitra, Allison Richter, Liz Franks, Alice Mills, Rachel Bellew, and Christine Gale. The scale was formally published in 2009 through the Mental Health Research Unit at Kingsway Hospital (Derbyshire Mental Health Services NHS Trust) and the University of Derby, United Kingdom.
Lead author Professor Paul Gilbert, FBPsS, PhD, OBE, is an internationally recognized clinical psychologist, professor emeritus at the University of Derby, and the founder of The Compassionate Mind Foundation. Gilbert pioneered the theoretical synthesis of evolutionary biology, attachment theory, neurobiology, and cognitive-behavioral principles that culminated in Compassion-Focused Therapy. His research co-authors have contributed substantially to the psychometric evaluation of affect, shame, self-criticism, and compassion across psychiatric and community cohorts.
Purpose
The primary purpose of the Social Safeness and Pleasure Scale is to quantify the subjective experience of social warmth, relational acceptance, and emotional soothing. For decades, clinical assessment batteries prioritized the measurement of negative emotional states (e.g., depressive dysphoria, panic, generalized anxiety, shame) or focused predominantly on reward-seeking, activation-oriented positive affect (e.g., energized positive affect, hypomania, sensation seeking). Consequently, standard psychological inventories frequently overlooked the distinct affective quality of feeling fundamentally safe, accepted, and soothed within one’s relational milieu.
The development of the SSPS addressed this critical measurement gap by providing a psychometrically validated tool to evaluate the psychological and physiological signature of the mammalian attachment and care-seeking systems. Humans, as obligate social animals, require subjective cues of social inclusion and interpersonal safeness to down-regulate evolutionary threat-defense architectures. When individuals lack social safeness, they experience chronic vigilance, social threat sensitivity, and defensive hyper-arousal, which significantly heighten vulnerability to psychological disorders.
In clinical practice, the SSPS functions as an essential diagnostic and process-monitoring instrument, particularly within Compassion-Focused Therapy, Acceptance and Commitment Therapy (ACT), and attachment-informed interventions. Clinicians utilize the scale to:
- Identify deficits in relational reassurance and internal soothing among patients presenting with severe self-criticism, borderline personality traits, eating disorders, or chronic affective disorders.
- Differentiate between individuals whose depression stems primarily from high threat/shame vs. those exhibiting profound exhaustion or blunting of the soothing-affiliation system.
- Track therapeutic progress following compassion-focused interventions, loving-kindness practices, or relational psychotherapy, where elevations in social safeness represent a primary mechanism of clinical change.
In empirical research, the SSPS serves as a vital index in social neuroscience, health psychology, and personality research. Investigators utilize the tool to examine neuroendocrine and autonomic correlates of affiliation (such as oxytocin receptor polymorphisms and respiratory sinus arrhythmia), investigate resilience factors mitigating workplace burnout, and evaluate systemic interventions targeted at fostering belonging within educational and community settings.
Psychological Construct
The construct measured by the SSPS—Social Safeness—is defined as the emotional state and cognitive appraisal of being securely connected to, cared for, accepted by, and soothed by other human beings within one’s social ecology. It does not merely signify the statistical absence of overt hostility, rejection, or interpersonal conflict; rather, it reflects an active, subjective phenomenology of relational comfort, belonging, and emotional warmth.
From an affective and psychophysiological standpoint, social safeness is characterized by low-arousal positive affect, psychological tranquility, ease, and a felt sense of mutual trust. It is conceptually and functionally distinct from other domains of positive emotionality:
- Drive and Incentive-Focused Positive Affect: High-arousal positive emotions (e.g., excitement, pride, triumph, competitive achievement, euphoria) are mediated primarily by dopaminergic reward pathways. These emotions drive exploration, foraging, and status acquisition. While vital for goal-directed behavior, drive-focused affect does not provide reassurance, somatic calming, or deep emotional peace.
- Social Safeness and Soothing Affect: Low-arousal positive emotions (e.g., contentment, soothing, warmth, peace, belonging) are mediated predominantly by endogenous neuropeptides (such as oxytocin) and the opioid system. Social safeness allows an organism to cease defensive scanning, inhibit competitive vigilance, and enter restorative, physiological states of rest-and-digest.
The items comprising the SSPS operationalize several key relational dimensions of social safeness:
- Interpersonal Warmth and Care: Experiencing perceived benevolence from others, feeling genuine affection, and having an internal confidence that one is valued and cared about in the world.
- Emotional Soothability: The capacity to experience somatic calming, emotional regulation, and relief from distress in the presence or cognitive representation of supportive others.
- Belonging and Social Inclusion: Feeling fundamentally connected to a community or group, perceiving oneself as accepted rather than marginalized, and sharing a common humanity.
- Relational Contentment: Experiencing psychological ease and satisfaction within one’s relationships, free from hyper-vigilant concerns regarding abandonment, betrayal, or social evaluation.
Theoretical Framework
The theoretical architecture of the SSPS is grounded in Paul Gilbert’s Evolutionary Model of Affect Regulation, synthesized with John Bowlby’s Attachment Theory and Stephen Porges’ Polyvagal Theory. Gilbert conceptualizes human emotion regulation as having evolved through three fundamental, neurobiologically distinct motivational systems:
- The Threat and Self-Protection System: Designed to detect hazards, predators, social exclusion, and dominance threats. Activated via the amygdala and the hypothalamic-pituitary-adrenal (HPA) axis, this system produces emotions such as fear, anger, anxiety, and disgust, triggering defensive responses including fight, flight, freeze, or submissive appeasement.
- The Drive, Seeking, and Resource-Acquisition System: Designed to motivate organisms to seek out resources essential for survival and reproduction, including food, territory, sexual partners, and status. It is driven by dopaminergic pathways and manifests as excitement, pleasure, ambition, and anticipatory joy.
- The Soothing, Affiliative, and Safeness System: Designed originally in mammalian evolution to facilitate maternal-infant attachment, social bonding, group cohesion, and reciprocal caregiving. When an organism is not under immediate threat and does not need to pursue urgent resources, this system facilitates states of rest, cell repair, growth, and interpersonal connection, mediated by oxytocin, endorphins, and the parasympathetic nervous system.
Within this framework, human psychological well-being is not defined simply by having low threat activation or high drive activation; it critically depends on the dynamic equilibrium among all three systems. In individuals with chronic psychopathology—particularly those with histories of relational trauma, early adverse experiences, neglect, or chronic bullying—the soothing-affiliative system is frequently under-developed, suppressed, or conditionally paired with threat cues. Consequently, when these individuals experience distress, they cannot access internal soothing or turn to others for comfort, remaining trapped in cycling loops of threat, shame, and self-criticism.
Furthermore, the scale aligns closely with Social Baseline Theory, which posits that the human brain evolved to assume proximity to trustworthy social networks as its default baseline. When social safeness is perceived, the metabolic load of environmental coping is shared, reducing the subjective cost of stress and diminishing physiological vigilance. The SSPS directly measures the degree to which an individual perceives and experiences this evolutionary baseline of relational security.
Validity
The psychometric validity of the Social Safeness and Pleasure Scale has been extensively evaluated across clinical, community, student, and cross-cultural samples, consistently demonstrating outstanding construct, convergent, discriminant, and predictive validity.
Construct and Factorial Validity
Confirmatory factor analyses (CFA) across independent international studies have systematically confirmed that the SSPS exhibits an exceptionally strong unidimensional structure. The 11 items load uniformly onto a single latent factor representing social safeness and soothing, with standardized factor loadings consistently exceeding .60 across diverse linguistic and demographic cohorts.
Convergent Validity
Convergent validity is evidenced by robust, statistically significant correlations between the SSPS and theoretically congruent constructs:
- Attachment Security: The SSPS displays strong positive correlations with secure adult attachment dimensions (e.g., as assessed by the Experiences in Close Relationships scale) and marked negative correlations with both attachment anxiety and attachment avoidance ($r = -.45$ to $-.60$).
- Self-Compassion: Positive associations are observed with the Self-Compassion Scale (SCS) ($r \approx .55$ to $.68$), particularly with the subscales of self-kindness and common humanity, confirming that the capacity to extend compassion toward oneself shares psychological roots with the perception of safeness among others.
- Positive Affectivity: The scale correlates moderately to strongly with measures of low-arousal positive affect, social connectedness, life satisfaction, and subjective psychological well-being ($r = .50$ to $.70$).
- Physiological Indices: Empirical investigations have demonstrated that higher scores on the SSPS correlate significantly with higher resting heart rate variability (HRV) and higher respiratory sinus arrhythmia, serving as biological markers of flexible vagal tone and parasympathetic dominance.
Discriminant Validity
Discriminant validity has been demonstrated through the scale’s divergent trajectories when compared to non-relational or high-arousal constructs. While social safeness correlates negatively with indices of distress, it does not act merely as an inverted proxy for depression. Multiple regression and structural equation models reveal that the SSPS explains significant unique variance in psychological health over and above standard measures of negative affect.
The scale displays strong, theoretically expected inverse relationships with:
- Depression, Anxiety, and Stress: Strong negative correlations with the Depression Anxiety Stress Scales (DASS-21), with correlation coefficients typically ranging from $r = -.52$ to $-.68$ for the depression subscale.
- Internal and External Shame: Robust negative correlations with the Other As Shamer Scale (OAS) and the Internalized Shame Scale ($r = -.50$ to $-.65$).
- Self-Criticism and Inadequacy: Pronounced inverse associations with self-hating and inadequate self-criticism as measured by the Forms of Self-Criticising/Attacking & Self-Reassuring Scale (FSCRS).
- Fear of Compassion: Significant inverse correlations with fears of receiving compassion from others and fears of experiencing positive feelings.
Reliability
The SSPS exhibits exceptional psychometric reliability across diverse populations, clinical diagnostic categories, and cultural adaptations.
Internal Consistency
In the foundational validation study by Gilbert et al. (2009), the Social Safeness and Pleasure Scale achieved a Cronbach’s alpha of .92 in an initial sample comprising university students and clinical outpatients diagnosed with bipolar disorder. Subsequent validation studies internationally have replicated these robust internal consistency figures:
- In clinical cohorts presenting with major depressive disorder, eating disorders, or borderline personality disorder, Cronbach’s alpha coefficients routinely span between .91 and .94.
- In large non-clinical adult community samples across the United Kingdom, Portugal, Spain, and North America, Cronbach’s alpha values consistently exceed .90, with McDonald’s omega ($ω$) coefficients demonstrating parallel reliability values ($ω ge .92$).
- Item-total correlations across validation studies typically range from .58 to .82, indicating that every individual item contributes reliably to the central latent construct without excessive conceptual redundancy.
Temporal Stability (Test-Retest Reliability)
The temporal stability of the SSPS has been verified across various test-retest intervals. Over a standard two-to-four-week non-intervention period, intraclass correlation coefficients (ICC) and Pearson correlation coefficients consistently exceed .82, demonstrating that social safeness functions as a stable cognitive-affective trait under steady psychological conditions. Conversely, following targeted therapeutic interventions (such as Compassionate Mind Training or group CFT), the scale demonstrates sensitive longitudinal responsiveness, registering statistically significant increases that parallel clinical reductions in shame and affective symptoms.
Factor Analysis
The internal structural validity of the SSPS has been scrutinized via both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) across numerous independent psychometric investigations.
Exploratory Factor Analysis (EFA)
During initial instrument development, exploratory principal axis factoring with scree plot analysis and parallel analysis unambiguously indicated the presence of a single dominant factor accounting for over 55% to 62% of the total variance. Adjective selection panels and preliminary item filtering yielded an exceptionally cohesive item pool, with all 11 retained items demonstrating substantial factor loadings onto this primary dimension.
Confirmatory Factor Analysis (CFA)
Subsequent international validation studies (e.g., European Portuguese, Spanish, Italian, and Japanese adaptations) have subjected the 11-item scale to rigorous CFA testing. The hypothesized unidimensional model has consistently demonstrated good to excellent fit to the empirical data across both general and clinical populations:
- Comparative Fit Index (CFI): Routinely observed between .95 and .98, well above the conventional .95 threshold for excellent model fit.
- Tucker-Lewis Index (TLI): Typically ranges from .94 to .97.
- Root Mean Square Error of Approximation (RMSEA): Generally ranges between .045 and .068 (with 90% confidence intervals well within acceptable psychometric boundaries).
- Standardized Root Mean Square Residual (SRMR): Values consistently remain beneath .040.
Standardized item factor loadings across structural investigations are remarkably uniform, with individual loadings generally ranging between $lambda = .62$ and $lambda = .86$. Representative loadings from empirical studies include:
- Item 1 (“I feel content within my relationships”): $\lambda \approx .75$
- Item 3 (“I feel connected to others”): $\lambda \approx .82$
- Item 6 (“I feel secure and wanted”): $\lambda \approx .84$
- Item 7 (“I feel a sense of belonging”): $\lambda \approx .86$
- Item 10 (“I feel accepted by people”): $\lambda \approx .81$
- Item 11 (“I feel a sense of warmth from others”): $\lambda \approx .80$
Furthermore, multi-group confirmatory factor analysis (MGCFA) has confirmed metric and scalar invariance across biological sex and age cohorts, confirming that the scale assesses the underlying construct of social safeness equivalently across demographic groups.
Instrument / Measurement Tool
The structured technical specifications of the Social Safeness and Pleasure Scale are summarized below:
- Instrument Name: Social Safeness and Pleasure Scale
- Instrument Abbreviation: SSPS
- Developers: Paul Gilbert, Kirsten McEwan, Rebecca Mitra, Allison Richter, Liz Franks, Alice Mills, Rachel Bellew, & Christine Gale
- Publication Year: 2009
- Measurement Format: Paper-and-pencil self-report inventory or secure digital psychometric assessment
- Number of Items: 11 items
- Response Format: 5-point Likert scale:
- 1 = Almost never
- 2 = Rarely
- 3 = Sometimes
- 4 = Often
- 5 = Almost all the time
- Reverse Scored Items: None. All items are positively keyed.
- Scoring Procedure: Items are summed to produce a single total composite score. The minimum possible score is 11, and the maximum possible score is 55. Higher total scores denote higher perceived social safeness, relational warmth, and emotional soothing.
- Completion Time: Approximately 2 to 4 minutes.
- Target Population: Adolescents (ages 14+) and adults across general community, student, and clinical psychiatric settings.
Permissions & Fee and Test Year
The Social Safeness and Pleasure Scale was published in 2009. In alignment with the ethical commitment of the Compassionate Mind Foundation to advance global scientific research and therapeutic accessibility, the scale is placed in the public domain for academic, clinical, and non-commercial research purposes.
Fees: There are no licensing fees or royalties required for individual clinicians, independent researchers, or academic institutions utilizing the SSPS for non-commercial research or diagnostic assessment. The scale may be reproduced in research protocols, student dissertations, and clinical practice without formal written permission, provided that the original publication (Gilbert et al., 2009) is cited accurately.
Commercial Use: Any commercial reproduction, integration into proprietary fee-for-service software platforms, or distribution within commercial corporate wellness products requires prior written consent from the developers or the Compassionate Mind Foundation.
References
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Gilbert, P., McEwan, K., Mitra, R., Richter, A., Franks, L., Mills, A., Bellew, R., & Gale, C. (2009). An exploration of different types of positive affect in students and patients with bipolar disorder. Clinical Neuropsychiatry, 6(3), 135–143.
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Porges, S. W. (2007). The polyvagal perspective. Biological Psychology, 74(2), 116–143. https://doi.org/10.1016/j.biopsycho.2006.06.009