Friendship Self-Regulation Questionnaire SRQ-F

1. Abstract

The Friendship Self-Regulation Questionnaire (SRQ-F) is a domain-specific psychometric instrument grounded in Self-Determination Theory (SDT), specifically Organismic Integration Theory (OIT). Developed by Richard M. Ryan, Edward L. Deci, and their colleagues at the University of Rochester, the instrument measures individual differences in the perceived locus of causality and motivational regulation that govern an individual’s involvement in a specific friendship. The SRQ-F comprises 20 self-report items organized across four behavioral vignettes or stems regarding close peer interactions: reasons for remaining close friends, spending time together, listening to problems, and keeping promises. For each stem, respondents rate the veracity of statements representing four distinct motivational types along the autonomy continuum: External Regulation (acting to satisfy external demands or avoid social sanction), Introjected Regulation (acting to protect self-esteem or avoid guilt and anxiety), Identified Regulation (acting out of personal conviction and conscious valuation of the friendship), and Intrinsic Motivation (engaging in friendship behaviors out of inherent enjoyment, interest, and spontaneous affection).

Responses are recorded on a 7-point Likert scale ranging from 1 (“not at all true”) to 7 (“very true”). Psychometrically, the scale can be evaluated either through individual subscale scores or via a consolidated index known as the Relative Autonomy Index (RAI), which weights the regulatory styles according to their position along the self-determination continuum. Extensive empirical investigations demonstrate that the SRQ-F exhibits a characteristic quasi-simplex correlation pattern supporting construct validity, adequate to high internal consistency across subscales (Cronbach’s alphas typically ranging from .70 to .88), solid test-retest reliability, and robust convergent validity with measures of relationship quality, constructive conflict resolution, empathetic perspective-taking, emotional well-being, and psychological vitality. This article presents a comprehensive psychometric and theoretical analysis of the SRQ-F, detailing its dimensional architecture, empirical foundations, diagnostic utility, and administration protocols.

2. Keywords

Friendship Self-Regulation Questionnaire, SRQ-F, Self-Determination Theory, Organismic Integration Theory, Autonomous Motivation, Controlled Motivation, Relative Autonomy Index, Peer Relationships, Interpersonal Regulation, Psychometrics.

3. Authors

The Friendship Self-Regulation Questionnaire was formulated by leading theorists and researchers within the Self-Determination Theory research group, primarily centered around Richard M. Ryan, Ph.D. (currently Professor at the Institute for Positive Psychology and Education at the Australian Catholic University and Professor Emeritus at the University of Rochester) and Edward L. Deci, Ph.D. (Professor Emeritus of Psychology and Gowen Professor in the Social Sciences at the University of Rochester). Key contributions to the empirical validation of relationship-specific self-regulation within this program were conducted in collaboration with developmental and social psychologists, including C. Scott Rigby, Ph.D., and James P. Connell, Ph.D.

Institutional Affiliation: Department of Clinical and Social Sciences in Psychology, University of Rochester, Rochester, New York, United States. Formal documentation, scoring keys, and research-access guidelines for the Self-Regulation Questionnaires (SRQ family) are preserved and disseminated via the official academic repository at selfdeterminationtheory.org.

4. Purpose

The overarching purpose of the Friendship Self-Regulation Questionnaire (SRQ-F) is to assess the quality of motivation and perceived autonomy underlying an individual’s behavioral and emotional engagement within a targeted friendship. While traditional social and developmental psychology instruments frequently quantify peer relationship metrics through behavioral frequency (e.g., contact hours, shared activities), structural features (e.g., network centrality, reciprocal nominations), or global relationship satisfaction indices, they often fail to capture the motivational “why”—the functional etiology explaining why an individual sustains a dyadic bond, provides emotional support, or adheres to relational commitments.

From an applied perspective, interpersonal relationships can be maintained for profoundly divergent psychological reasons. One individual may listen patiently to a friend’s crises because they genuinely value the person’s welfare and find emotional resonance in mutual vulnerability (autonomous motivation). Another individual may enact the exact same supportive behaviors solely out of apprehension that the friend will react angrily, or because failing to do so would trigger severe self-directed guilt and diminish their contingent self-worth (controlled motivation). Although the outward interpersonal behavior appears identical, Self-Determination Theory indicates that controlled friendship regulation exacts a severe psychological toll, resulting in relational ambivalence, emotional exhaustion, passive-aggressive conflict patterns, and diminished well-being. The SRQ-F was engineered to disentangle these distinct motivational processes.

In clinical and counseling settings, the SRQ-F serves as a valuable diagnostic and therapeutic tool. Clinicians working with adolescents, emerging adults, or individuals suffering from personality pathology (e.g., borderline personality disorder, dependent personality styles) frequently observe distress emerging from compulsive, anxiety-driven people-pleasing, toxic friendship dependencies, or chronic peer alienation. Administering the SRQ-F enables the therapist and client to identify whether the client’s social network interactions are driven by introjected pressures (“I must be available or I am a bad friend”) or external compliance (“I stay because my friend demands it”). Interventions can then focus systematically on helping the patient internalize values, establish assertive relational boundaries, and cultivate connections characterized by genuine emotional freedom.

In research contexts, the SRQ-F allows developmental, social, and personality psychologists to study the trajectory of peer relations across the lifespan. It enables investigators to model how autonomy-supportive parenting influences the development of autonomous peer regulation, how friendship self-regulation moderates responses to peer pressure and risk-taking behaviors, and how dyadic congruence in motivational autonomy predicts longitudinal friendship stability, distress buffering, and dyadic coping during acute developmental transitions (such as entering college or navigating career changes).

5. Psychological Construct

The SRQ-F operationalizes interpersonal motivation within peer dyads as a multi-layered construct arrayed along a continuum of self-determination. Rather than treating motivation as a unitary, quantitative property (i.e., how “much” motivation a person possesses), the instrument evaluates the qualitative nature of behavioral regulation. The scale specifically measures four distinct regulatory styles distributed across two broad motivational poles: Controlled Regulation (comprising External and Introjected regulations) and Autonomous Regulation (comprising Identified regulation and Intrinsic motivation).

External Regulation

External regulation represents the classic archetype of extrinsic motivation and denotes the lowest degree of self-determination. When a person operates under external regulation within a friendship, their interpersonal behaviors are dictated purely by externally imposed contingencies: obtaining tangible rewards, securing social praise, avoiding overt conflict, or sidestepping punitive sanctions. Within the SRQ-F, this construct is embodied by statements wherein behaviors like spending time with a friend or keeping promises are performed “Because my friend would get mad at me if I didn’t” (Item 9) or “Because this person really wants me to be a close friend” (Item 7). The individual experiences their friendship behaviors as controlled by external forces; autonomy is experienced as minimal, and relational engagement often feels coerced, brittle, or resentful.

Introjected Regulation

Introjected regulation represents a form of extrinsic motivation that has been partially internalized into the individual’s psychological functioning, but not integrated into the core sense of self. The behavioral contingencies are internalized as internal sanctions—specifically, the avoidance of guilt, shame, and self-disparagement, or conversely, the pursuit of contingent self-worth and ego enhancement. The individual acts because they feel internal pressure: “I must” or “I should.” Within the SRQ-F, introjection is captured by items such as “Because I would feel guilty if I withdrew from the friendship” (Item 5), “Because being friends with him/her helps me feel important” (Item 1), or “Because I would feel bad about myself if I didn’t” (Item 18). While introjected friendship behavior originates from within the psychological boundaries of the person, it remains fundamentally controlled, accompanied by chronic self-monitoring, vulnerability to ego threats, and internal conflict.

Identified Regulation

Identified regulation reflects a predominantly autonomous form of motivation wherein the individual consciously recognizes, values, and endorses the personal importance and meaning of the behavior or relationship. Here, friendship engagement is fully congruent with the person’s goals, moral principles, and identity. Although the activity may not always be inherently exciting or spontaneous (e.g., maintaining difficult commitments or listening to a repetitive emotional crisis), the individual willingly undertakes it because it aligns with their deeply held values. In the SRQ-F, identified regulation is manifested in items such as “Because my commitment to him/her is personally very important to me” (Item 8), “Because I really value spending time with my friend” (Item 12), and “Because I believe it is an important personal attribute to live up to my promises to a friend” (Item 17). Behavior sustained through identification is characterized by high persistence, self-endorsement, and authentic psychological investment.

Intrinsic Motivation

Intrinsic motivation represents the prototypic manifestation of autonomous regulation and the purest expression of self-determination. In this regulatory state, the individual engages in friendship activities purely for the inherent enjoyment, curiosity, spontaneous vitality, and satisfaction derived directly from the relationship itself. The behavior is its own reward; there is no instrumental separation between the means and the end. In the SRQ-F, intrinsic motivation is exemplified by items such as “Because I enjoy the numerous crazy and amusing moments that we share” (Item 2), “Because it is fun spending time with him/her” (Item 10), and “Because it’s interesting and satisfying to be able to share like that” (Item 13). Individuals motivated intrinsically experience unconditional positive affect, relational presence, and effortless engagement during interpersonal exchanges.

6. Theoretical Framework

The theoretical bedrock of the SRQ-F is Self-Determination Theory, a macro-theory of human personality, motivation, and psychological wellness formulated by Edward L. Deci and Richard M. Ryan. SDT operates on an organismic-dialectical meta-theory, which assumes that human beings are active, growth-oriented organisms possessing an innate, constructive tendency toward psychological integration, personal development, and social cohesion. However, this inherent developmental trajectory does not occur in a vacuum; it requires continuous nutritional support from the social environment.

Within SDT, Organismic Integration Theory (OIT) delineates the continuum of extrinsic motivation and explains how non-intrinsically motivated behaviors can become internalized and integrated into the self. Internalization refers to the active, natural process through which individuals assimilate socially sanctioned values, relational expectations, and interpersonal obligations into personally endorsed styles of self-regulation. OIT conceptualizes this process not as a crude dichotomy between internal and external factors, but as a dynamic gradient ranging from amotivation and external regulation, through introjection and identification, to full integration and intrinsic motivation.

Crucially, SDT posits that interpersonal internalization is fueled by the satisfaction of three Basic Psychological Needs:

• Autonomy: The fundamental need to experience oneself as the author, initiator, and source of one’s own actions, living in accordance with one’s authentic values and volition, rather than feeling coerced, manipulated, or subjected to heteronomous control.
• Competence: The need to experience efficacy, mastery, and optimal challenge within one’s environment and relationships, experiencing oneself as capable of meaningful impact.
• Relatedness: The need to experience mutual care, belonging, reciprocal warmth, and genuine interpersonal connection with significant others.

In peer relationships, the basic need for autonomy is often misunderstood as synonymous with independence, emotional detachment, or individualism. SDT clarifies that autonomy and relatedness are completely complementary rather than antagonistic. Autonomy refers to the volitional quality of motivation, whereas independence refers to not relying on others. A person can be highly dependent on a friend for emotional advice while remaining completely autonomous, provided they fully endorse and value that reliance. Conversely, an individual who acts completely independently out of a compulsive need to prove they do not need anyone is demonstrating introjected, defensive non-autonomy.

The SRQ-F models this precise dynamic across common relational challenges. In close friendships, moments inevitably arise that involve sacrifice, patience, accountability, and the expenditure of energy (e.g., listening to a friend’s repetitive distress, following through on an inconvenient promise). OIT provides the predictive framework: to the degree that an individual has successfully internalized and integrated the value of the friendship (identified regulation) or finds joyful connection within it (intrinsic motivation), engaging in these interpersonal duties maintains personal vitality and cements relational intimacy. Conversely, if regulation remains stalled at external compliance or introjected self-preservation, enacting those same relational duties depletes the individual’s psychological energy, triggers covert resentment, and undermines long-term dyadic resilience.

7. Validity

The construct, convergent, discriminant, and predictive validity of the Friendship Self-Regulation Questionnaire has been established across multiple independent psychometric studies spanning developmental, social, and personality psychology literature.

Construct Validity: The Quasi-Simplex Pattern

The foundational evidence for the construct validity of any SDT self-regulation scale lies in demonstrating a quasi-simplex pattern within the inter-subscale correlation matrix. According to the continuum assumption of Organismic Integration Theory, subscales that are theoretically adjacent along the self-determination spectrum should exhibit stronger positive correlations with each other than subscales positioned further apart. Empirical analyses of the SRQ-F consistently confirm this structure:

• External regulation demonstrates moderate-to-strong positive correlations with Introjected regulation ($r \approx .35$ to $.55$).
• External regulation displays weak or non-significant correlations with Identified regulation ($r \approx -.10$ to $.15$) and significant negative correlations with Intrinsic motivation ($r \approx -.20$ to $-.40$).
• Identified regulation demonstrates robust positive correlations with Intrinsic motivation ($r \approx .45$ to $.68$).

This systematic simplex pattern confirms that the four regulatory styles assessed by the SRQ-F map reliably onto an ordered, underlying continuum of self-determination rather than functioning as unrelated, orthogonal dimensions.

Convergent Validity

The SRQ-F exhibits robust convergent validity when compared against established relational and well-being constructs. Research demonstrates that higher autonomous friendship self-regulation (measured either through the identified/intrinsic subscales or the composite Relative Autonomy Index) correlates significantly with:

• Relationship Quality and Dyadic Satisfaction: Moderate to high correlations ($r = .40$ to $.62$) with the Dyadic Adjustment Scale and the Friendship Quality Questionnaire, indicating that volitional engagement enhances perceived bond strength.
• Attachment Security: Positive associations with secure attachment styles ($r \approx .35$), alongside strong negative associations with anxious attachment ($r \approx -.30$ to $-.45$) and avoidant attachment ($r \approx -.25$ to $-.40$). Anxious individuals typically elevate on introjected friendship regulation, whereas avoidant individuals score higher on external regulation or generalized amotivation.
• Authentic Self-Presentation: Significant positive correlations with relational authenticity and emotional disclosure ($r \approx .45$), reflecting an individual’s capacity to be genuine and transparent with their friend without fear of abandonment.
• Subjective and Eudaimonic Well-Being: Autonomous friendship regulation correlates positively with positive affect, vitality, and life satisfaction, while correlating inversely with depressive symptoms, chronic loneliness, and social anxiety.

Discriminant Validity

Discriminant validity has been demonstrated by showing that SRQ-F subscales diverge markedly from measures of social desirability (e.g., Marlowe-Crowne Social Desirability Scale, where correlations are typically weak, $|r| < .15$). Furthermore, the SRQ-F differentiates domain-specific autonomy from general autonomy; for instance, an individual may exhibit high autonomous regulation within an academic domain (SRQ-A) or romantic domain, yet exhibit severe introjected or external regulation within their peer friendships, confirming the distinct, domain-sensitive nature of the instrument.

Predictive and Criterion-Related Validity

In longitudinal dyadic studies, the SRQ-F demonstrates outstanding predictive validity regarding behavioral interactions and conflict outcomes. Dyads in which both partners score high in autonomous friendship self-regulation exhibit significantly higher levels of integrative, constructive problem-solving during observed laboratory conflict interactions. Conversely, controlled regulation (high external and introjected scores) reliably predicts destructive conflict tactics, including stonewalling, passive-aggressive withdrawal, defensive hostility, and an increased likelihood of relationship dissolution over a 12-month follow-up period.

8. Reliability

The Friendship Self-Regulation Questionnaire exhibits robust internal consistency and temporal stability across diverse adolescent, collegiate, and adult community cohorts.

Internal Consistency

Extensive psychometric evaluations have demonstrated that the four distinct subscales of the SRQ-F meet or exceed established thresholds for research-grade and diagnostic internal consistency. Typical Cronbach’s alpha ($lpha$) coefficients documented in the foundational literature include:

• External Regulation Subscale: $\alpha = .72$ to $.81$, indicating that items capturing external compliance, fear of peer anger, and reward-seeking cohere reliably across different behavioral stems.
• Introjected Regulation Subscale: $\alpha = .75$ to $.84$, reflecting strong shared variance among items measuring guilt, shame avoidance, and self-aggrandizing peer validation.
• Identified Regulation Subscale: $\alpha = .78$ to $.86$, demonstrating exceptional consistency in measuring conscious valuation, commitment, and personal importance across relational contexts.
• Intrinsic Motivation Subscale: $\alpha = .80$ to $.88$, representing strong psychometric cohesion among items capturing spontaneous pleasure, shared amusement, and emotional vitality.

When computed as an overarching composite index—such as the Relative Autonomy Index (RAI) or autonomous composite scores—the aggregate internal reliability frequently exceeds $lpha = .85$, and McDonald’s omega ($\omega$) values routinely replicate these robust metrics, confirming composite structural reliability.

Test-Retest Stability

The temporal stability of the SRQ-F has been verified across various test-retest intervals. Across a standard 4-week window in stable peer dyads, test-retest correlation coefficients ($r_{tt}$) consistently fall between $.74$ and $.83$ for the four subscales, and $r_{tt} = .82$ for the composite Relative Autonomy Index. Over longer periods (such as 6 to 12 months), stability coefficients remain moderate ($r_{tt} \approx .55$ to $.68$), appropriately reflecting the theoretical conceptualization of relational regulation: while an individual’s general regulatory style possesses trait-like stability, it also remains dynamically responsive to shifts in dyadic trust, conflict, or environmental transitions.

9. Factor Analysis

The underlying dimensionality and latent architecture of the SRQ-F have been rigorously examined using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).

Exploratory Factor Analysis (EFA)

Initial exploratory factor analyses utilizing principal axis factoring and oblique rotation methods (such as Promax or Direct Oblimin, which allow underlying factors to correlate) consistently extract four primary factors corresponding precisely to the four theoretical regulatory styles. Items designed to tap External Regulation, Introjected Regulation, Identified Regulation, and Intrinsic Motivation consistently exhibit primary factor loadings exceeding $.50$, with cross-loadings across alternative factors typically remaining well below $.30$. Importantly, EFA confirms that items cluster primarily by regulatory style rather than by the behavioral stems (e.g., listening to problems vs. keeping promises), proving that the motivational construct dominates over stem-specific behavioral variance.

Confirmatory Factor Analysis (CFA)

Confirmatory factor analytic investigations have compared competing structural models to establish the most parsimonious and theoretically robust representation of the 20 items. Structural comparisons typically evaluate:

1. A single-factor unidimensional model (positing a single global “friendship motivation” factor).
2. A two-factor model (dividing items strictly into Autonomous vs. Controlled motivation).
3. A four-factor oblique model (delineating External, Introjected, Identified, and Intrinsic latent factors).
4. A higher-order or bifactor model (incorporating a general self-determination factor alongside specific regulatory sub-dimensions).

Goodness-of-fit evaluations uniformly demonstrate that the four-factor oblique model and bifactor structures fit empirical data substantially better than single-factor or two-factor models. Representative structural equation modeling fit indices reported in validation literature consistently meet standard criteria:

• Comparative Fit Index (CFI) $ge .92$ to $.96$
• Tucker-Lewis Index (TLI) $ge .91$ to $.95$
• Root Mean Square Error of Approximation (RMSEA) $le .045$ to $.062$ (with $90%$ confidence intervals bounded comfortably below $.08$)
• Standardized Root Mean Square Residual (SRMR) $le .048$ to $.059$

Item standardized factor loadings ($lambda$) on their designated latent factors are robust, with the vast majority ranging between $.55$ and $.84$. Furthermore, multigroup CFA has confirmed measurement invariance (configural, metric, and scalar invariance) across male and female respondents, ensuring that observed differences in peer self-regulation scores reflect genuine psychological differences rather than measurement artifacts.

10. Instrument / Measurement Tool

• Formal Tool Name: Friendship Self-Regulation Questionnaire (SRQ-F).
• Instrument Category: Psychological Self-Report Questionnaire / Interpersonal Motivation Assessment.
• Theoretical Framework: Self-Determination Theory (Organismic Integration Theory).
• Target Population: Adolescents (approx. age 12+), emerging adults, and adult community or clinical populations.
• Total Item Count: 20 items.
• Structural Design: Four behavioral stems, each followed by a set of regulatory statements:
  • Stem A: Reasons for being close friends (8 items).
  • Stem B: Reasons for spending time together (4 items).
  • Stem C: Reasons for listening to problems (4 items).
  • Stem D: Reasons for keeping promises (4 items).
• Response Scale: 7-point Likert scale:
  • $1$ = Not at all true
  • $2$ = Not true
  • $3$ = Slightly true
  • $4$ = Somewhat true
  • $5$ = Mostly true
  • $6$ = True
  • $7$ = Very true
• Subscale Item Mapping:
  • External Regulation: Items 3, 7, 9, 15.
  • Introjected Regulation: Items 1, 5, 11, 14, 18.
  • Identified Regulation: Items 4, 8, 12, 16, 17.
  • Intrinsic Motivation: Items 2, 6, 10, 13, 19, 20.
• Scoring Methodologies:
  • Subscale Mean Scores: Calculate the arithmetic mean of items belonging to each subscale. This yields four discrete profile scores for External, Introjected, Identified, and Intrinsic motivation.
  • Autonomous vs. Controlled Composites:
    • Autonomous Motivation: Mean of (Identified Subscale + Intrinsic Subscale) / 2
    • Controlled Motivation: Mean of (External Subscale + Introjected Subscale) / 2
  • Relative Autonomy Index (RAI): A single composite score reflecting the overall degree of self-determination, calculated using standard simplex weighting:
    
    $$\text{RAI} = (-2 \times \text{External}) + (-1 \times \text{Introjected}) + (1 \times \text{Identified}) + (2 \times \text{Intrinsic})$$
    
    Higher positive RAI scores denote autonomous, self-determined friendship regulation, whereas lower or negative scores indicate controlled, non-autonomous regulation.
• Administration Time: Approximately 5 to 8 minutes.

11. Permissions & Fee and Test Year

The Friendship Self-Regulation Questionnaire (SRQ-F) was developed as part of the programmatic empirical research on Self-Determination Theory conducted by Richard M. Ryan and Edward L. Deci during the late 1980s and 1990s. In accordance with the longstanding academic mission of the Center for Self-Determination Theory (CSDT), the instrument is placed in the public domain for scholarly, educational, and clinical research use.

Fee Status: Completely free of charge for non-commercial academic research, clinical practice, student dissertations, and institutional evaluation.

Licensing and Permissions: Formal written permission is not required when utilizing the scale for non-commercial scientific research, provided that appropriate scholarly attribution is accorded to Richard M. Ryan, Edward L. Deci, and the Self-Determination Theory research group. Commercial software integration, commercial corporate assessment, or for-profit monetization of the instrument requires direct consultation and written contractual licensing through the authors and the CSDT administrative portal at selfdeterminationtheory.org.

12. References

• Deci, E. L., & Ryan, R. M. (1985). Intrinsic motivation and self-determination in human behavior. Plenum Press. https://doi.org/10.1007/978-1-4899-2271-7
• 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
• Knee, C. R., Lonsbary, C., Canevello, A., & Patrick, H. (2005). Self-determination and conflict in romantic relationships. Journal of Personality and Social Psychology, 89(6), 997–1009. https://doi.org/10.1037/0022-3514.89.6.997
• Patrick, H., Knee, C. R., Canevello, A., & Lonsbary, C. (2007). The role of local need fulfillment in relationship quality and well-being. Journal of Social and Personal Relationships, 24(3), 401–420. https://doi.org/10.1177/0265407507077227
• 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. (2000). Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being. American Psychologist, 55(1), 68–78. https://doi.org/10.1037/0003-066X.55.1.68
• Ryan, R. M., & Deci, E. L. (2017). Self-determination theory: Basic psychological needs in motivation, development, and wellness. Guilford Publications. https://doi.org/10.1521/978.14625/28769
• Soenens, B., & Vansteenkiste, M. (2005). Antecedents and outcomes of self-determination in 3 life domains: The role of parents’ and teachers’ autonomy support. Journal of Youth and Adolescence, 34(6), 589–604. https://doi.org/10.1007/s10964-005-8948-y

13. Items of the Scale