Abstract

Marital therapy is a form of couples therapy directed specifically at the married dyad, aimed at reducing relationship distress and restoring satisfaction within the institution of marriage. It grew out of the twentieth-century marriage-counseling movement and matured into a set of empirically tested treatments, from behavioral exchange and communication training to insight-oriented and emotion-focused approaches. Its research tradition is distinguished by careful measurement: standardized adjustment scales quantify marital quality, and the clinical-significance framework asks whether a couple has crossed from the distressed to the non-distressed range rather than merely improving on average. Marital distress predicts individual psychopathology and physical illness, linking relationship science to public health. This article traces the history, the treatment models, the measurement of marital adjustment, and the outcome evidence.

Keywords: marital therapy, marital satisfaction, dyadic adjustment, clinical significance, behavioral marital therapy

Marital therapy denotes the professional treatment of a married couple's relationship, conducted conjointly with both partners present and taking the relationship itself, rather than either individual, as the unit of care (Gurman & Fraenkel, 2002). MeSH defines it as a form of psychotherapy involving both spouses and directed to improving the marital relationship, and classifies it under couples therapy. The distinction between the two terms is largely historical: marital therapy names the older tradition, rooted in marriage counseling and in an era when the treated dyad was assumed to be married, whereas couples therapy is the contemporary umbrella that covers unmarried and same-sex partners as well. The marital literature matters because it built the field's measurement apparatus and its outcome standards, and because marital distress is among the most robust interpersonal correlates of individual mental and physical health (Whisman, 2007).

Key Takeaways
  • Marital therapy is the married-dyad case of couples therapy, and the historical source of the field's measures and outcome standards.
  • It descends from the marriage-counseling movement, professionalized through conjoint treatment in the mid-twentieth century.
  • The dominant models moved from behavioral exchange and communication skills toward insight-oriented and emotion-focused work.
  • Marital adjustment is measured with validated scales such as the Locke-Wallace test and the Dyadic Adjustment Scale.
  • Clinical significance, not just statistical change, is the standard: has the couple crossed into the non-distressed range?

What Marital Therapy Is

Marital therapy treats the marriage rather than a symptom carried by one spouse. The therapist works with the couple together, addressing the patterns of interaction, expectation, and attribution that sustain distress, and the shared history that gives those patterns their force (Snyder et al., 2006). This conjoint stance is the defining methodological commitment: the problem is located between the partners, not inside either one, so the relationship is what is assessed and what is expected to change.

The boundary with the broader category of couples therapy is one of scope and vintage rather than technique. Marital therapy is the earlier term and carries the assumption that the dyad is married; the field renamed itself couples therapy as it extended to cohabiting, unmarried, and same-sex partners (Gurman & Fraenkel, 2002). Because the empirically supported treatments were first developed and tested on married samples, the marital literature remains the evidentiary foundation on which the wider practice rests.

The Marriage-Counseling Movement

The professional treatment of marriage began outside psychotherapy proper. In the 1920s and 1930s marriage counseling emerged from social work, the clergy, and physicians, with early centers offering guidance on communication, sexuality, and family economics. The field organized itself with the founding of a national association of marriage counselors in 1942, which later became the American Association for Marriage and Family Therapy. This early phase was atheoretical and educational rather than clinical (Gurman & Fraenkel, 2002).

The decisive methodological shift was the adoption of conjoint treatment, seeing both spouses together in the same session rather than in parallel individual therapies. Conjoint work made the interaction itself observable and treatable, and it aligned the field with the emerging systems view of the family. By the last third of the century marital treatment had become a research enterprise, with controlled trials, standardized measurement, and a growing empirical base (Gottman & Notarius, 2002). The transition from advice-giving movement to tested clinical discipline is the arc that separates modern marital therapy from its origins.

From Behavior Exchange to Insight

The first rigorously tested model was behavioral marital therapy, which applied learning principles to the relationship: partners were taught to increase positive exchanges, to negotiate behavior-change agreements, and to communicate and solve problems with explicit skills (Jacobson et al., 1984). Communication and problem-solving training became the core technology, and the approach drew directly on behavior therapy and, increasingly, on cognitive methods that targeted the attributions and standards each partner brought to the marriage. A meta-analysis of the behavioral techniques confirmed reliable reductions in marital distress relative to no treatment (Hahlweg & Markman, 1988).

Behavioral treatment left a substantial minority of couples unimproved or relapsing, which motivated approaches reaching beyond skills. Insight-oriented marital therapy focused on the developmental and emotional sources of relationship conflict, helping partners understand how earlier relationships and unspoken expectations shaped present grievances (Snyder & Wills, 1989). A controlled comparison found behavioral and insight-oriented treatments comparably effective at termination, but a four-year follow-up found a markedly lower divorce rate after insight-oriented therapy, suggesting that the two approaches differed in the durability, not the immediate size, of their effects (Snyder et al., 1991). Alongside these, emotion-focused and empirically supported family interventions widened the menu of treatments with demonstrated efficacy for marital distress (Baucom et al., 1998).

Measuring Marital Adjustment

Marital therapy's scientific maturity rests on measurement. Marital adjustment, the degree to which partners function as a well-accommodated unit, was operationalized early through self-report scales that made relationship quality a quantity a study could track. The Locke-Wallace Marital Adjustment Test, a fifteen-item short form, gave the field a brief, reliable global index and a validated cutoff separating adjusted from maladjusted marriages (Locke & Wallace, 1959). The Dyadic Adjustment Scale extended this with thirty-two items yielding a total score and four subscales for consensus, satisfaction, cohesion, and affectional expression; its total-scale reliability is high and a score near 97 is the conventional line between distressed and non-distressed relationships (Spanier, 1976). The Marital Satisfaction Inventory added a multidimensional profile, locating distress in specific areas such as communication, finances, and sexuality rather than in a single number (Snyder et al., 2006).

These instruments turned marital satisfaction into a research object. A decade review recast satisfaction not as a static trait of a marriage but as an interpersonal process, shaped by how partners interpret each other's behavior and by the accumulation of positive and negative exchanges over time (Bradbury et al., 2000). Because the scales share a distressed/non-distressed cutoff, they also made possible the outcome standard the field would later adopt: not whether scores rose, but whether a couple crossed the line.

Figure 1

Distressed and Non-Distressed Marital-Adjustment Distributions

Overlapping score distributions for distressed and non-distressed marriages Two bell-shaped curves on a dyadic-adjustment axis from zero to one hundred fifty-one. The lower-scoring distressed distribution and the higher-scoring non-distressed distribution overlap around a dashed vertical clinical cutoff near ninety-seven. clinical cutoff (≈97) Distressed Non-distressed 0 151 Dyadic Adjustment Scale total score
Note. The clinical cutoff separates the two populations, but the distributions overlap, so a single score near the line is ambiguous. Clinical significance asks whether treatment moves a couple from the red distribution to the green one. Original schematic.
Dyadic Adjustment Scale: subscales to a total
cutoff 97015190

Total 90 / 151 — distressed range (below 97).

Subscale maxima follow Spanier (1976): consensus 65, satisfaction 50, cohesion 24, affectional expression 12. The cutoff near 97 is the conventional line between distressed and non-distressed marriages. Computed locally, not stored.

MeasureFormatWhat it assesses
Locke-Wallace Marital Adjustment Test15 items, weighted totalGlobal marital adjustment; a brief screening index with a validated adjusted/maladjusted cutoff.
Dyadic Adjustment Scale32 items, range 0-151Total adjustment plus consensus, satisfaction, cohesion, and affectional expression; cutoff near 97.
Marital Satisfaction InventoryMulti-scale profileArea-specific distress across communication, finances, sexuality, and other domains, rather than one score.

Predicting Dissolution and Stability

Parallel to the treatment literature, an observational science asked which interaction patterns forecast a marriage's fate. Longitudinal coding of couples' conversations showed that specific negative-affect behaviors, contempt, criticism, defensiveness, and stonewalling, together with the physiological arousal that accompanies them, predict later separation and divorce (Gottman & Levenson, 1992). The predictive signal lies less in the presence of conflict than in its emotional quality and in the ratio of positive to negative exchanges during disagreement.

This work reframed marital distress as a process rather than a state, and it supplied the mechanism that treatment must alter: stable marriages maintain a favorable balance of positive to negative behavior even while arguing, whereas distressed marriages tip toward a corrosive excess of negativity (Gottman & Notarius, 2002). The balance-of-affect idea became one of the field's most durable empirical generalizations and a target that both behavioral and emotion-focused treatments implicitly pursue.

Balance of affect during conflict
5 : 1positivenegativeratio 5.0 : 1

5.0 : 1 positive to negative — on the stable side of the illustrative 5:1 threshold.

The 5:1 during-conflict ratio is an illustrative heuristic drawn from Gottman and Levenson (1992), not a diagnostic cutoff; observed ratios vary across couples and coding systems. Computed locally, not stored.

Marital Distress and Individual Well-Being

Marital therapy connects to public health through a robust epidemiological finding: marital distress is strongly associated with individual psychopathology. In a population-based national survey, discord in the marriage was linked to elevated prevalence of mood, anxiety, and substance-use disorders, with the association holding across the diagnostic spectrum (Whisman, 2007). The relationship is plausibly bidirectional, distress and disorder each aggravating the other, which is why treating the marriage can be a route to treating the individual.

This logic underwrites the use of couple-based treatment for problems that are not, on their face, relationship problems. Empirically supported couple interventions have demonstrated value not only for marital distress itself but as adjuncts in the treatment of depression, anxiety, and other adult mental-health conditions (Baucom et al., 1998). Across the life course, relationship satisfaction follows a systematic trajectory rather than a random walk, declining and recovering in patterned ways that a clinician can anticipate (Bühler et al., 2021). Marital therapy thus sits at the intersection of relationship science and individual clinical psychology.

Treatment Outcome and Clinical Significance

The marital-therapy literature gave clinical psychology one of its most influential methodological contributions: the clinical-significance framework. A reanalysis of behavioral marital therapy outcome data showed that group means could improve reliably while many individual couples remained in the distressed range, and it proposed a two-part standard for judging a case a success, the change must be statistically reliable, and the client must end in the functional rather than the dysfunctional population (Jacobson et al., 1984). The reliable change index, computed from a measure's standard error of difference, formalized the first requirement; the distressed/non-distressed cutoff supplied the second.

Applied to the field's own results, this standard is sobering but honest. Meta-analysis of randomized controlled trials confirms that behavioral marital therapy produces reliable benefit relative to no-treatment controls, with a moderate-to-large average effect (Shadish & Baldwin, 2005). Yet a meaningful fraction of treated couples do not achieve clinically significant change, and durability varies by model, with insight-oriented treatment showing a lower long-term divorce rate than behavioral treatment in one long follow-up (Snyder et al., 1991). Contemporary meta-analysis across couple therapies broadly confirms medium effects that are moderated by outcome domain, follow-up interval, and study design (Roddy et al., 2020).

Clinical significance: reliable change and the cutoff
cutoff 97pre 80post 1050151

RCI = 4.97 (reliable) — Recovered.

Using the Dyadic Adjustment Scale (SD = 17.8, reliability = .96), the standard error of difference is 5.03 points, so a change of about 9.9 points is needed for reliable change. Recovery additionally requires crossing the cutoff of 97 (Jacobson et al., 1984; Spanier, 1976). Computed locally, not stored.

Worked Example

Consider a couple assessed on the Dyadic Adjustment Scale, whose total-scale reliability is about .96 and whose standard deviation in the norming sample is about 17.8 points. The standard error of measurement is the standard deviation times the square root of one minus the reliability, 17.8 times the square root of 0.04, which is 3.56 points. The standard error of the difference between two scores is the square root of two times that value, about 5.04 points. The reliable change index requires a pre-to-post change of at least 1.96 standard errors of difference, roughly 9.9 points, before the improvement can be called reliable rather than measurement noise.

Suppose one partner scores 80 before therapy, below the clinical cutoff of 97, and 105 afterward. The change of 25 points divided by 5.04 gives a reliable change index of 4.97, far above the 1.96 threshold, so the improvement is statistically reliable. The post-treatment score of 105 also lies above the cutoff of 97, so the partner has crossed from the distressed into the non-distressed range. Meeting both conditions, reliable change and passage across the cutoff, the case is classified as recovered rather than merely improved (Jacobson et al., 1984; Spanier, 1976). A partner who gained 12 points but ended at 82 would be improved but not recovered, still in the distressed range; a partner who gained only 6 points would be unchanged, the movement being within measurement error.

Discussion

Marital therapy occupies a particular place in clinical psychology: it is both a treatment and a measurement tradition. Its lasting influence is less any single technique than the standards it imposed, conjoint assessment, validated scales with population cutoffs, and the demand that outcome be judged by clinical significance rather than by a significant mean difference (Jacobson et al., 1984). Those standards migrated outward and now shape how efficacy is reported across psychotherapy generally.

The treatment evidence is genuinely encouraging without being triumphal. Behavioral and insight-oriented approaches both help, the field's meta-analyses converge on medium-to-large average effects, and couple treatment benefits individual disorders as well as the relationship (Shadish & Baldwin, 2005; Baucom et al., 1998). The open problems are durability and reach: a substantial minority of couples do not achieve clinically significant change, gains erode for some, and the models differ more in the persistence of their effects than in their immediate size (Snyder et al., 1991). Understanding satisfaction as a process that unfolds over the life course, rather than a fixed property of a marriage, is where the explanatory work now concentrates (Bradbury et al., 2000).

Current Directions

The contemporary field has consolidated around a small number of empirically supported models and turned its attention to access and to mechanism. A decade review of evidence-based treatments for relationship distress finds that integrative behavioral and emotion-focused approaches now anchor the evidence base, and that technology-assisted delivery, web-based and app-based programs, has become a serious channel for reaching couples who would not enter a clinic (Doss et al., 2022). A state-of-the-field review similarly maps the movement toward integrative practice, toward tailoring treatment to specific presenting problems, and toward diversity-responsive care that no longer assumes the married, heterosexual dyad of the original marital literature (Lebow & Snyder, 2022).

Two developments stand out. First, meta-analytic attention has shifted from whether couple therapy works to when and for whom, with moderators such as outcome domain, follow-up length, and design now the object of study (Roddy et al., 2020). Second, the life-course perspective on relationship satisfaction has been placed on a firm meta-analytic footing, describing how satisfaction changes systematically with relationship duration and age, which gives clinicians a normative baseline against which to read a given couple's trajectory (Bühler et al., 2021).

Common Misconceptions

Marital therapy and couples therapy are entirely different treatments.
They are the same enterprise under two names. Marital therapy is the older term for the married-dyad case; the field renamed itself couples therapy as it extended to unmarried and same-sex partners, and MeSH classifies marital therapy directly under couples therapy (Gurman & Fraenkel, 2002). The empirically supported couple treatments were first tested on married samples.
If a couple's scores improve, the therapy worked.
A rising group mean can coexist with many couples still in the distressed range, which is exactly why the clinical-significance standard was created: an outcome counts only if the change is statistically reliable and the couple ends in the non-distressed population (Jacobson et al., 1984). Improvement and recovery are different bars.
Behavioral marital therapy has no lasting evidence behind it.
Meta-analysis of randomized controlled trials shows reliable, moderate-to-large benefit relative to no-treatment controls (Shadish & Baldwin, 2005). The genuine caveat is durability: some gains erode, and insight-oriented treatment showed a lower divorce rate than behavioral treatment at four-year follow-up (Snyder et al., 1991).

Glossary

Balance of Affect.
The ratio of positive to negative behavior during conflict; a favorable balance distinguishes stable from distressed marriages and is a target of treatment.
Behavior Exchange.
A behavioral marital technique in which partners deliberately increase the frequency of pleasing acts toward each other to shift the balance of positive exchanges.
Behavioral Marital Therapy.
A treatment applying learning principles to marriage through behavior exchange, communication training, and problem-solving skills.
Clinical Significance.
A standard for judging outcome, requiring change that is both statistically reliable and large enough to move a client from the dysfunctional to the functional population.
Communication Training.
Structured instruction in speaking and listening skills, such as expressing feelings without blame and reflecting a partner's meaning back accurately.
Conjoint Therapy.
Treatment in which both partners are seen together in the same session, making their interaction observable and treatable.
Dyadic Adjustment Scale.
A thirty-two-item self-report measure of relationship quality yielding a total score from 0 to 151 and four subscales, with a distressed cutoff near 97.
Emotion-Focused Therapy.
An attachment-based couple treatment that works by restructuring the emotional bond and the negative interaction cycles that erode it.
Insight-Oriented Marital Therapy.
A treatment addressing the developmental and emotional sources of conflict, helping partners understand how earlier relationships shape present grievances.
Locke-Wallace Marital Adjustment Test.
A fifteen-item short-form measure of global marital adjustment with a validated cutoff separating adjusted from maladjusted marriages.
Marital Adjustment.
The degree to which spouses function as a well-accommodated unit, the construct that self-report adjustment scales are designed to quantify.
Marital Distress.
A state of dissatisfaction and conflict in a marriage, associated with elevated risk of individual mood, anxiety, and substance-use disorders.
Marital Satisfaction Inventory.
A multidimensional self-report instrument that profiles distress across specific domains such as communication, finances, and sexuality.
Marriage-Counseling Movement.
The early-twentieth-century emergence of marital guidance from social work, the clergy, and medicine, which preceded and gave rise to professional marital therapy.
Reliable Change Index.
The ratio of a client's pre-to-post change to the standard error of difference of the measure; a value above 1.96 marks change unlikely to be measurement error.

Key Researchers

Donald H. Baucom (b. 1948). Professor of Psychology and Neuroscience at the University of North Carolina at Chapel Hill; developer of cognitive-behavioral couple therapy and lead author of the empirically-supported-treatments review. Wikipedia - Wikidata

Thomas N. Bradbury (b. 1960). Distinguished Professor of Psychology at the University of California, Los Angeles; co-author of the decade review recasting marital satisfaction as an interpersonal process. Faculty page - Google Scholar

Frank D. Fincham (b. 1953). Eminent Scholar and Director of the Family Institute at Florida State University; co-author of the marital-satisfaction determinants review. Faculty page - ORCID

John M. Gottman (b. 1942). Professor Emeritus of Psychology at the University of Washington; established the observational prediction of marital dissolution from interaction and affect. Wikipedia - Wikidata

Kurt Hahlweg (b. 1947). Professor Emeritus of Clinical Psychology at the Technische Universität Braunschweig; meta-analyst of behavioral marital therapy and developer of partnership-learning programs. Faculty page - ORCID

Neil S. Jacobson (1949-1999). Professor of Psychology at the University of Washington; pioneer of behavioral marital therapy and originator of the clinical-significance framework. APS memorial

Douglas K. Snyder (b. 1949). Professor in the Department of Psychological and Brain Sciences at Texas A&M University; developer of insight-oriented marital therapy and the Marital Satisfaction Inventory. Faculty page - Google Scholar

Graham B. Spanier (b. 1948). Professor of Human Development and Family Studies at Pennsylvania State University; author of the Dyadic Adjustment Scale, the most widely used marital-quality measure. Wikipedia - Wikidata

Mark A. Whisman (b. 1963). Professor of Psychology and Neuroscience at the University of Colorado Boulder; established population-level links between marital distress and psychiatric disorder. Faculty page - ORCID

Frequently Asked Questions

What is the difference between marital therapy and couples therapy?
They name the same enterprise, with marital therapy the older term for the married-dyad case that MeSH classifies under couples therapy (Gurman & Fraenkel, 2002).

Does marital therapy actually work?
Meta-analysis of randomized controlled trials finds reliable, moderate-to-large benefit for behavioral marital therapy relative to no-treatment controls (Shadish & Baldwin, 2005).

How is marital adjustment measured?
Validated self-report scales such as the Locke-Wallace test and the Dyadic Adjustment Scale quantify relationship quality against a distressed cutoff (Spanier, 1976).

What does clinical significance mean in marital therapy?
It is the standard requiring change that is both statistically reliable and large enough to move a couple from the distressed into the non-distressed range (Jacobson et al., 1984).

Can interaction patterns predict divorce?
Longitudinal coding shows that negative-affect behaviors and physiological arousal during conflict forecast later separation and divorce (Gottman & Levenson, 1992).

Is marital distress linked to mental health?
A national survey found marital distress associated with elevated prevalence of mood, anxiety, and substance-use disorders (Whisman, 2007).

Which lasts longer, behavioral or insight-oriented treatment?
A four-year follow-up found a markedly lower divorce rate after insight-oriented than behavioral marital therapy (Snyder et al., 1991).

Where is the field heading now?
Recent reviews report consolidation around integrative and emotion-focused models and rapid growth in technology-assisted delivery (Doss et al., 2022).

References

Baucom, D. H., Shoham, V., Mueser, K. T., Daiuto, A. D., & Stickle, T. R. (1998). Empirically supported couple and family interventions for marital distress and adult mental health problems. Journal of Consulting and Clinical Psychology, 66(1), 53-88. https://doi.org/10.1037/0022-006X.66.1.53

Bradbury, T. N., Fincham, F. D., & Beach, S. R. H. (2000). Research on the nature and determinants of marital satisfaction: A decade in review. Journal of Marriage and the Family, 62(4), 964-980. https://doi.org/10.1111/j.1741-3737.2000.00964.x

Bühler, J. L., Krauss, S., & Orth, U. (2021). Development of relationship satisfaction across the life span: A systematic review and meta-analysis. Psychological Bulletin, 147(10), 1012-1053. https://doi.org/10.1037/bul0000342

Doss, B. D., Roddy, M. K., Wiebe, S. A., & Johnson, S. M. (2022). A review of the research during 2010-2019 on evidence-based treatments for couple relationship distress. Journal of Marital and Family Therapy, 48(1), 283-306. https://doi.org/10.1111/jmft.12552

Gottman, J. M., & Levenson, R. W. (1992). Marital processes predictive of later dissolution: Behavior, physiology, and health. Journal of Personality and Social Psychology, 63(2), 221-233. https://doi.org/10.1037/0022-3514.63.2.221

Gottman, J. M., & Notarius, C. I. (2002). Marital research in the 20th century and a research agenda for the 21st century. Family Process, 41(2), 159-197. https://doi.org/10.1111/j.1545-5300.2002.41203.x

Gurman, A. S., & Fraenkel, P. (2002). The history of couple therapy: A millennial review. Family Process, 41(2), 199-260. https://doi.org/10.1111/j.1545-5300.2002.41204.x

Hahlweg, K., & Markman, H. J. (1988). Effectiveness of behavioral marital therapy: Empirical status of behavioral techniques in preventing and alleviating marital distress. Journal of Consulting and Clinical Psychology, 56(3), 440-447. https://doi.org/10.1037/0022-006X.56.3.440

Jacobson, N. S., Follette, W. C., Revenstorf, D., Baucom, D. H., Hahlweg, K., & Margolin, G. (1984). Variability in outcome and clinical significance of behavioral marital therapy: A reanalysis of outcome data. Journal of Consulting and Clinical Psychology, 52(4), 497-504. https://doi.org/10.1037/0022-006X.52.4.497

Lebow, J. L., & Snyder, D. K. (2022). Couple therapy in the 2020s: Current status and emerging developments. Family Process, 61(4), 1359-1385. https://doi.org/10.1111/famp.12824

Locke, H. J., & Wallace, K. M. (1959). Short marital-adjustment and prediction tests: Their reliability and validity. Marriage and Family Living, 21(3), 251-255. https://doi.org/10.2307/348022

Roddy, M. K., Walsh, L. M., Rothman, K., Hatch, S. G., & Doss, B. D. (2020). Meta-analysis of couple therapy: Effects across outcomes, designs, timeframes, and other moderators. Journal of Consulting and Clinical Psychology, 88(7), 583-596. https://doi.org/10.1037/ccp0000514

Shadish, W. R., & Baldwin, S. A. (2005). Effects of behavioral marital therapy: A meta-analysis of randomized controlled trials. Journal of Consulting and Clinical Psychology, 73(1), 6-14. https://doi.org/10.1037/0022-006X.73.1.6

Snyder, D. K., Wills, R. M., & Grady-Fletcher, A. (1991). Long-term effectiveness of behavioral versus insight-oriented marital therapy: A 4-year follow-up study. Journal of Consulting and Clinical Psychology, 59(1), 138-141. https://doi.org/10.1037/0022-006X.59.1.138

Snyder, D. K., Castellani, A. M., & Whisman, M. A. (2006). Current status and future directions in couple therapy. Annual Review of Psychology, 57, 317-344. https://doi.org/10.1146/annurev.psych.56.091103.070154

Snyder, D. K., & Wills, R. M. (1989). Behavioral versus insight-oriented marital therapy: Effects on individual and interspousal functioning. Journal of Consulting and Clinical Psychology, 57(1), 39-46. https://doi.org/10.1037/0022-006X.57.1.39

Spanier, G. B. (1976). Measuring dyadic adjustment: New scales for assessing the quality of marriage and similar dyads. Journal of Marriage and the Family, 38(1), 15-28. https://doi.org/10.2307/350547

Whisman, M. A. (2007). Marital distress and DSM-IV psychiatric disorders in a population-based national survey. Journal of Abnormal Psychology, 116(3), 638-643. https://doi.org/10.1037/0021-843X.116.3.638