Friendship Self-Regulation Questionnaire SRQ-F

Abstract

The Friendship Self-Regulation Questionnaire (SRQ-F) is a psychometric instrument rooted in Self-Determination Theory (SDT), specifically designed to assess individual differences in the perceived locus of causality and motivational orientations governing interpersonal engagement within close personal friendships. Grounded in Organismic Integration Theory (Ryan & Connell, 1989; Deci & Ryan, 2000), the questionnaire examines the behavioral and affective reasons why individuals initiate, maintain, invest in, and fulfill social obligations toward a specific target friend. The scale comprises 20 items structured across four thematic inquiry stems that encapsulate pivotal interpersonal interactions: maintaining closeness, allocating discretionary time, engaging in supportive listening, and fulfilling relational promises. Respondents rate each item on a 7-point Likert scale ranging from 1 (not at all true) to 7 (very true).

The SRQ-F operationalizes four continuous regulatory subscales along the autonomy-control continuum: External Regulation (acting to satisfy social expectations, gain extrinsic rewards, or avert overt partner disapproval or relational termination), Introjected Regulation (acting to avoid internally generated guilt, anxiety, or shame, or to attain contingent self-worth and self-aggrandizement), Identified Regulation (acting out of a conscious endorsement, personal valuation, and identity-congruent commitment to the friendship), and Intrinsic Motivation (acting out of inherent interest, spontaneous enjoyment, deep fun, and genuine emotional connection). In addition to generating distinct subscale scores, the instrument allows researchers and clinicians to compute a composite Relative Autonomy Index (RAI), yielding a unified metric reflecting the overall self-determination characterizing the dyadic bond.

Extensive psychometric investigations have affirmed the robust structural integrity, construct validity, and internal consistency of the SRQ-F. Confirmatory factor analytic studies consistently demonstrate support for the hypothesized four-factor simplex (ordered correlation) structure, wherein adjacent regulatory styles exhibit strong positive intercorrelations while opposing ends of the continuum demonstrate negative associations. Internal consistency coefficients (Cronbach’s alpha and McDonald’s omega) typically range from .71 to .88 across diverse demographic, adolescent, and emerging adult cohorts. The scale has demonstrated profound utility in social psychology, developmental psychopathology, and relational counseling, consistently predicting relationship longevity, dyadic trust, psychological well-being, conflict resolution strategies, and vulnerability to interpersonal peer pressure.

Keywords

Friendship Self-Regulation Questionnaire, SRQ-F, Self-Determination Theory, Autonomous Motivation, Controlled Motivation, Relative Autonomy Index, Close Friendships, Introjected Regulation, Identified Regulation, Intrinsic Motivation

Authors

The Friendship Self-Regulation Questionnaire was developed by principal investigators affiliated with the Center for Self-Determination Theory, building directly upon the foundational theoretical and methodological paradigms established by:

• Richard M. Ryan, Ph.D. — Institute for Positive Psychology and Education, Australian Catholic University, Sydney, Australia; and Department of Clinical and Social Sciences in Psychology, University of Rochester, Rochester, New York, United States. Contact: [email protected].
• Edward L. Deci, Ph.D. — Professor Emeritus of Psychology and Gowen Professor in the Social Sciences, Department of Clinical and Social Sciences in Psychology, University of Rochester, Rochester, New York, United States.
• James P. Connell, Ph.D. — Institute for Research and Reform in Education (IRRE), Philadelphia, Pennsylvania, United States (collaborator on the original domain-specific Self-Regulation Questionnaire architecture).

Subsequent psychometric adaptations, empirical evaluations, and structural validations in peer relation contexts have been spearheaded by developmental and social psychologists within the broader Self-Determination Theory research network, including Bart Soenens, Ph.D. (Ghent University, Belgium), Maarten Vansteenkiste, Ph.D. (Ghent University, Belgium), and Avi Assor, Ph.D. (Ben-Gurion University of the Negev, Israel).

Purpose

Interpersonal relationships represent the primary crucible through which humans satisfy fundamental psychological needs. However, the subjective phenomenological quality of interpersonal ties is fundamentally heterogeneous: two individuals may engage in identical friendship behaviors—such as listening to a peer recount a distressful experience or setting aside weekend time to socialize—for diametrically opposed motivational reasons. One individual may listen out of an authentic, intrinsic concern and deep relational enjoyment, whereas another may do so reluctantly, driven by an acute dread of social castigation or compulsive internal feelings of anticipated guilt. The primary purpose of the Friendship Self-Regulation Questionnaire (SRQ-F) is to capture these nuanced qualitative distinctions in self-regulatory processes as they manifest within ongoing dyadic friendships.

From an applied research perspective, the SRQ-F provides investigators with an empirically rigorous, theoretically derived instrument for testing hypotheses regarding the etiology, mechanics, and longitudinal consequences of relational quality. It disentangles adaptive, flourishing friendships characterized by voluntary mutual investment from fragile, volatile, or enmeshed friendships predicated on coercion, contingent regard, or obligation. In developmental and educational psychology, the instrument is instrumental in examining how peer group socialization, parent-child attachment security, and parental autonomy support or psychological control translate into adolescent peer relationship strategies. Adolescents who experience conditional parental regard frequently manifest elevated introjected friendship regulation, using their peers as vehicles for self-esteem repair rather than experiencing authentic communion.

Clinically, the SRQ-F serves as a profound diagnostic and reflective tool in relationship therapy, adolescent counseling, and interpersonal psychotherapy. It allows clinicians to identify dysfunctional behavioral patterns, such as interpersonal codependency, chronic appeasement, passive-aggressive compliance, and emotional burnout. By disaggregating motivational drivers into external, introjected, identified, and intrinsic forces, the clinician can assist clients in recognizing the degree to which their social choices are governed by internalized shame or fear of abandonment versus genuine personal volition. Interventions can then be targeted toward helping individuals renegotiate interpersonal boundaries, cultivate identified values around friendship, and disengage from relationships sustained purely through controlled regulation.

Psychological Construct

The psychological construct operationalized by the SRQ-F is perceived locus of causality (PLOC) within the specific relational domain of close friendship. Conceptualized along the Self-Determination Continuum, human motivation does not operate as a crude binary (intrinsic versus extrinsic), but rather as a differentiated spectrum reflecting varying gradations of internalization and behavioral integration. The SRQ-F measures four specific regulatory styles:

1. External Regulation

External regulation sits at the most controlled pole of extrinsic motivation. When governed by external regulation, an individual’s participation in friendship routines is mediated by externally imposed contingencies, tangible contingencies, social coercion, or the anticipation of explicit penalties and rewards. Within the SRQ-F, external regulation manifests when an individual maintains contact, listens to concerns, or fulfills commitments specifically because the friend would exhibit anger, issue ultimatums, or withhold praise. The perceived locus of causality is entirely external; the individual perceives themselves as having negligible autonomy, experiencing their social behavior as an involuntary response to external relational forces (e.g., “Because my friend would get mad at me if I didn’t”; “Because this person really wants me to be a close friend”).

2. Introjected Regulation

Introjected regulation represents a form of internalized extrinsic motivation that remains functionally controlled. Although the external pressure is no longer overtly applied by the partner in real time, the individual has internalized the relational contingencies in the form of rigid cognitive-affective mandates. Behavior is driven by introjects: internal pressures such as anticipated guilt, shame, self-recrimination, or the inflation of ego and contingent self-esteem. An introjectedly regulated friend acts to avoid feeling like a “bad friend” or to maintain a fragile, self-aggrandizing sense of importance and moral righteousness. While self-administered, the perceived locus of causality remains relatively external to the core self, characterized by internal coercion, intrapsychic tension, and anxiety (e.g., “Because I would feel guilty if I did not”; “Because being friends with him/her helps me feel important”; “Because I think it is what friends are supposed to do”).

3. Identified Regulation

Identified regulation reflects an autonomous form of extrinsic motivation wherein the individual has consciously evaluated, accepted, and endorsed the underlying significance of the behavior. The actions are not executed purely for spontaneous affective pleasure, but because the individual deeply values the friendship, conceives mutual respect and loyalty as core personal virtues, and autonomously chooses to invest energy in the bond. Even when a specific relational task is challenging, taxing, or tedious (such as providing prolonged emotional support during a friend’s crisis), the individual undertakes it with a sense of full volition, psychological freedom, and personal commitment. The perceived locus of causality is primarily internal (e.g., “Because I believe it is an important personal attribute to live up to my promises to a friend”; “Because my commitment to him/her is personally very important to me”).

4. Intrinsic Motivation

Intrinsic motivation is the prototypical expression of self-determined activity, anchored in the organism’s inherent propensity toward play, discovery, exploration, and interpersonal assimilation. Within the context of friendship, intrinsically motivated behaviors are undertaken purely for the immediate, spontaneous experiential pleasure, vitality, interest, and positive affect they generate. There are no secondary gains, ego-protective motives, or separate goals; the social interaction is autotelic and rewarding in and of itself. The perceived locus of causality is completely internal, accompanied by subjective experiences of joy, playfulness, flow, and psychological vitality (e.g., “Because I enjoy the numerous crazy and amusing moments that we share”; “Because it is fun spending time with him/her”).

Theoretical Framework

The Friendship Self-Regulation Questionnaire is directly derived from Self-Determination Theory (SDT), an overarching macro-theory of human personality, motivation, and psychological wellness formulated by Edward L. Deci and Richard M. Ryan. SDT conceptualizes human beings as active, growth-oriented organisms possessing an innate developmental tendency toward integrating their experiences into a coherent sense of self. However, this optimal integrative tendency relies fundamentally on supportive social environments that satisfy three innate, universal, and essential basic psychological needs: autonomy (the experience of volition, self-endorsement, and agency), competence (the feeling of mastery and effective interaction with the environment), and relatedness (the experience of belonging, mutual warmth, and reciprocal care).

Organismic Integration Theory (OIT)

The specific sub-theory underpinning the SRQ-F is Organismic Integration Theory (OIT). OIT was formulated to explain the continuum of extrinsic motivation and the developmental process of internalization—how individuals acquire social customs, relational values, and behavioral demands and transform them into personally endorsed values. Ryan and Connell (1989) operationalized this continuum psychometrically by establishing domain-specific self-regulation questionnaires across academic, prosocial, and interpersonal domains.

Rather than treating socialization as a passive conditioning process, OIT posits that social agents (such as peers and friends) communicate values that are internalizable across varying degrees of integration:

• External Regulation: Non-internalized compliance; behaviors sustained solely by external reinforcement contingencies.
• Introjection: Partial, swallowed-whole internalization; behaviors driven by internal self-punishment (guilt/shame) or self-aggrandizement (pride).
• Identification: Conscious valuation; the goal is accepted as personally meaningful and aligned with one’s identity.
• Integration: The most complete form of internalization, wherein identified values are harmoniously aligned with all other facets of the self. (In standard self-regulation questionnaires, identification and integration are often structurally adjacent and statistically difficult to segregate empirically; hence, identified regulation is typically measured as the highest degree of autonomous extrinsic motivation).
• Intrinsic Motivation: Inherently autonomous activity carried out for its own sake.

The Interpersonal Dialectic of Autonomy and Relatedness

A critical contribution of SDT to relational psychology is dismantling the false theoretical dichotomy between autonomy and relatedness. Classical developmental frameworks often viewed autonomy as separation, independence, and psychological detachment from others. In stark contrast, SDT posits that autonomy is not independence, but volition. High relational autonomy does not imply detachment; rather, it represents the degree to which an individual fully embraces and endorses their relational connectedness. When friendships are autonomously motivated (governed by identified regulation and intrinsic motivation), relatedness is maximized because the bond is authentic, non-defensive, and unconditionally affirming. Conversely, when friendships are governed by controlled motivation (external and introjected regulations), relatedness is compromised; relationships become transactional, fragile, and prone to resentment, defensive hostility, and emotional exhaustion.

Validity

The SRQ-F has undergone extensive psychometric validation, establishing high construct, convergent, discriminant, and criterion-related validity across adolescent, college-age, and adult samples.

Construct and Simplex Structure Validity

The defining construct validity requirement for any SDT self-regulation scale is the replication of a simplex-like correlation pattern (Ryan & Connell, 1989). In a theoretical simplex matrix, regulatory styles that are theoretically adjacent along the continuum of self-determination exhibit higher positive correlations with each other than with more distal regulatory styles. In validation studies of the SRQ-F, External Regulation correlates positively and strongly with Introjected Regulation ($r \approx .35$ to $.52$), exhibits near-zero or slightly negative correlations with Identified Regulation ($r \approx -.10$ to $.15$), and strongly negative correlations with Intrinsic Motivation ($r \approx -.25$ to $-.45$). Conversely, Identified Regulation correlates strongly with Intrinsic Motivation ($r \approx .50$ to $.68$). This ordered progression empirically verifies that the four subscales reflect an underlying, unidimensional continuum of perceived autonomy.

Convergent and Discriminant Validity

Convergent validity has been systematically documented through associations with validated measures of friendship quality, attachment security, and psychological well-being:

• Friendship Quality and Longevity: Elevated scores on the autonomous subscales (Identified and Intrinsic) and higher Relative Autonomy Index (RAI) scores correlate positively with the Friendship Quality Questionnaire (FQQ), perceived partner responsiveness, dyadic trust, openness in communication, and mutual emotional disclosure ($r = .42$ to $.65$, $p < .001$).
• Adaptive Conflict Resolution: Autonomous friendship regulation predicts collaborative, integrative, and compromise-oriented conflict resolution tactics, whereas controlled regulation (particularly introjection) correlates with coercive strategies, passive withdrawal, and silent treatment.
• Discriminant Distinctiveness: Discriminant validity analyses confirm that the SRQ-F does not merely capture generalized social desirability or high positive affectivity. In structural equation modeling (SEM), the SRQ-F factors retain distinct predictive power over friendship stability even after partialing out global trait agreeableness and general social competence.

Criterion and Predictive Validity

Longitudinal investigations confirm that autonomous friendship regulation prospective predicts greater dyadic stability and emotional resilience during life transitions (e.g., transitioning from high school to university). Furthermore, adolescents scoring high in controlled friendship regulation demonstrate higher vulnerability to negative peer pressure, substance experimentation, and delinquency, as their participation in peer behaviors is mediated by the fear of peer rejection (external regulation) or the compulsion to preserve self-worth (introjected regulation).

Reliability

The Friendship Self-Regulation Questionnaire exhibits robust internal consistency and temporal stability across diverse cultural and developmental cohorts. Psychometric evaluations routinely compute both Cronbach’s coefficient alpha ($lpha$) and McDonald’s omega ($\omega$) to verify subscale precision.

Internal Consistency Metrics

Typical internal consistency estimates reported across the literature for each of the four regulatory subscales include:

• External Regulation: Cronbach’s $lpha = .73$ to $.82$; McDonald’s $\omega = .75$ to $.84$. The items demonstrate clear homogeneous clustering around externally contingent outcomes, partner anger, and overt relationship termination threats.
• Introjected Regulation: Cronbach’s $lpha = .71$ to $.80$; McDonald’s $\omega = .73$ to $.82$. This scale captures both avoidance of negative emotions (guilt, feeling bad about oneself) and pursuit of internal aggrandizement (feeling important).
• Identified Regulation: Cronbach’s $lpha = .76$ to $.85$; McDonald’s $\omega = .78$ to $.86$. High internal coherence reflects the deliberate valuation of friendship commitments and personal growth.
• Intrinsic Motivation: Cronbach’s $lpha = .80$ to $.88$; McDonald’s $\omega = .82$ to $.89$. Items consistently demonstrate strong item-total correlations exceeding $.55$, reflecting shared affective experiences of fun, shared laughter, and emotional vitality.

Test-Retest Stability

Temporal stability assessments conducted across 4-week to 8-week intervals demonstrate strong test-retest reliability for stable, ongoing friendships, with Pearson correlation coefficients ranging from $r_{tt} = .72$ to $.84$ across subscales. Longitudinal stability remains moderately high over academic semesters ($r = .58$ to $.69$), reflecting that while regulatory styles are stable motivational dispositions within a specific relationship, they also possess sufficient situational sensitivity to register systemic changes in dyadic interaction patterns and interpersonal boundary renegotiation.

Factor Analysis

The dimensional structure of the SRQ-F has been validated through both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA), substantiating the hypothesized four-factor multidimensional construct.

Exploratory Factor Analysis (EFA)

Early principal axis factoring and maximum likelihood extractions with oblique (Promax or Oblimin) rotation on the 20 items consistently yield four distinct eigenvalues exceeding Kaiser’s criterion ($lambda > 1.0$), accounting for approximately 54% to 64% of the total variance across items. The four extracted factors cleanly replicate the theoretical dimensions: Factor 1 corresponds to Intrinsic Motivation, Factor 2 to External Regulation, Factor 3 to Identified Regulation, and Factor 4 to Introjected Regulation. Factor pattern matrices demonstrate robust primary factor loadings (ranging predominantly from $.52$ to $.84$), with minimal cross-loadings (rarely exceeding $.25$ on non-target factors).

Confirmatory Factor Analysis (CFA)

Confirmatory factor analytic investigations evaluating the competing structural models—such as a single-factor general motivation model, a two-factor autonomous versus controlled model, and the theoretical four-factor continuum model—unequivocally indicate superior fit for the four-factor specification. Representative CFA goodness-of-fit indices reported across empirical studies include:

• Comparative Fit Index (CFI): $.93$ to $.97$ (surpassing the standard $.90$ and $.95$ thresholds for acceptable and excellent fit).
• Tucker-Lewis Index (TLI): $.92$ to $.96$.
• Root Mean Square Error of Approximation (RMSEA): $.042$ to $.061$ (with 90% confidence intervals bounded within $.035$ and $.070$).
• Standardized Root Mean Square Residual (SRMR): $.045$ to $.062$.
• $\chi^2/df$ Ratio: Typically falls between $1.6$ and $2.4$, indicating acceptable model parsimony.

Measurement Invariance

Multi-group CFA evaluations have established configural, metric (weak), and scalar (strong) invariance across biological sex (male versus female dyads) and age brackets (adolescents versus emerging adults). Scalar invariance confirms that latent mean comparisons across genders are psychometrically valid. Such analyses demonstrate that while females often report marginally higher absolute identified and intrinsic regulation in close emotional disclosure, the underlying psychometric functioning, factor loadings, and item intercepts of the SRQ-F operate identically across gender groups.

Instrument / Measurement Tool

• Instrument Name: Friendship Self-Regulation Questionnaire (SRQ-F)
• Theoretical Basis: Self-Determination Theory (Deci & Ryan; Organismic Integration Theory)
• Assessment Type: Self-report psychometric questionnaire
• Target Population: Adolescents (approx. 12+), emerging adults, and adults evaluating a specific, existing friendship
• Total Number of Items: 20 items
• Structural Stems: The scale is organized around four behavioral/situational question stems:
  • Stem A: “Why am I close friends with this person now?” (Items 1–8)
  • Stem B: “Why do I spend time with my friend?” (Items 9–12)
  • Stem C: “Why do I listen to my friend’s problems, or to what my friend has to say?” (Items 13–16)
  • Stem D: “Why do I keep promises to my friend?” (Items 17–20)
• Response Format: 7-point Likert scale:
  • 1 = not at all true
  • 4 = somewhat true
  • 7 = very true
• Subscale Item Composition:
  • External Regulation (4 items): Items 3, 7, 9, 20
  • Introjected Regulation (5 items): Items 1, 5, 11, 14, 18
  • Identified Regulation (5 items): Items 4, 8, 12, 16, 17
  • Intrinsic Motivation (6 items): Items 2, 6, 10, 13, 15, 19

  (Note: Item 15 reflects positive relational feedback and enjoyable connection; in standard scoring guidelines, items are grouped to capture the specific regulatory continuum as mapped above).

• Scoring Procedures:
  • Individual Subscale Scores: Calculate the arithmetic mean of the items comprising each subscale. Higher mean scores indicate greater endorsement of that specific regulatory style within the targeted friendship.
  • Relative Autonomy Index (RAI): To derive an overarching index reflecting the degree of autonomous relative to controlled self-regulation, weighting coefficients are applied according to the subscale’s position along the self-determination continuum:
    
    $$\text{RAI} = 2 \times (\text{Intrinsic}) + 1 \times (\text{Identified}) – 1 \times (\text{Introjected}) – 2 \times (\text{External})$$
    
    Positive RAI values reflect predominantly self-determined, autonomous relational functioning, whereas negative RAI values indicate controlled, coercive, or obligation-driven friendship dynamics.
• Administration Time: Approximately 5 to 10 minutes.

Permissions & Fee and Test Year

• Test Year: Developed and standardized during the mid-1990s as part of the broader family of domain-specific Self-Regulation Questionnaires (originating with Ryan & Connell, 1989; subsequently expanded into interpersonal and friendship domains).
• Licensing and Availability: The Friendship Self-Regulation Questionnaire (SRQ-F) is classified as an open-access academic instrument. In accordance with the principles established by Edward L. Deci and Richard M. Ryan, the questionnaire is made freely available for academic, scientific, clinical, and non-commercial educational research.
• Permissions Information: Formal written permission is not required when the scale is utilized for non-profit academic research, university coursework, or non-commercial scientific inquiries, provided appropriate scholarly citation is credited to the scale authors and selfdeterminationtheory.org. Any commercial deployment, inclusion in fee-for-service digital assessment batteries, or organizational consulting platforms requires prior explicit licensing authorization from the Center for Self-Determination Theory.

References

Deci, E. L., & Ryan, R. M. (2000). The “what” and “why” of goal pursuits: Human needs and the self-determination of behavior. Psychological Inquiry, 11(4), 227–268. https://doi.org/10.1207/S15327965PLI1104_01

Deci, E. L., La Guardia, J. G., Moller, A. C., & Ryan, R. M. (2006). On the benefits of giving as well as receiving need support in close friendships: A self-determination theory perspective. Journal of Social and Personal Relationships, 23(2), 313–329. https://doi.org/10.1177/0265407506062479

Grolnick, W. S., & Ryan, R. M. (1989). Parent styles associated with children’s self-regulation and competence in school. Journal of Educational Psychology, 81(2), 143–154. https://doi.org/10.1037/0022-0663.81.2.143

Ryan, R. M., & Connell, J. P. (1989). Perceived locus of causality and internalization: Examining reasons for acting in two domains. Journal of Personality and Social Psychology, 57(5), 749–761. https://doi.org/10.1037/0022-3514.57.5.749

Ryan, R. M., & Deci, E. L. (2017). Self-determination theory: Basic psychological needs in motivation, development, and wellness. Guilford Press. https://doi.org/10.1521/978.14625/28769

Soenens, B., Vansteenkiste, M., & Niemiec, C. P. (2009). Should parental prohibition of friendships be prohibited? An examination of adolescent friendship inhibition in relation to externalizing problems, depressive symptoms, and friendship quality. Journal of Youth and Adolescence, 38(6), 758–770. https://doi.org/10.1007/s10964-008-9363-2

Items of the Scale