| Sophia et al. (2009). CNS Spectrums Empirical research | To investigate if impulsivity, personality and romantic relationship characteristics, distinguishing individuals with Patological Love (PL) from healthy individuals | 89 individuals: 50 with PL 39 healthy individuals 73% Females 36 PL women 29 healthy women 67.4% living without a partner 51.7 %working full-time Family monthly income of $1849.52 ± 2803.53 66% self-attributed white |
| Sampling by media, offering psychotherapy Interviews made by psychologists. Health individuals were part of a research project about antidepressant drugs effects | Love styles Attachment styles Psychopathological state All variables measured by validate tools |
| Stravogiannis et al. (2018). Psychiatry Research Empirical research | To assess similarities between pathological jealousy (PJ) and pathological love (PL), in relation with demographic information, love, attachment styles, relationship and personal characteristics, and psychiatric co-morbidities | 65 Participants 32 with pathological jealousy (PJ) and 33 with Pathological Love (PL). Females 75 % (PJ) and 78.8% (PL). Age = 39.7 years (PJ), 39.3 years (PL). Employed 62.5% (PJ), 69.7% (PL) Involved in a relationship: 90.7% (PJ), 48.4% (PL) Caucasian: 84.4% (PJ), 66.7% (PL) | Brasil, Impulse Control Disorder Outpatient Clinic (PRO-AMITI), in a public university hospital | Sampling by media For PJ and by PRO-AMITI for PL The assessment of pathology for PJ, while individuals with PL were patient seeking treatment for PL | Love styles Psychopathological dimensions Reationship dmensions All variables measured by validate tools |
| Vedes et al. (2016). Personal Relationships Empirical research | To investigate if love styles are associates with functional and dysfunctional dyadic coping and relationship satisfaction | 92 heterosexual couples Age males = 37.5 years (DS-10.3) Age females = 34.7 years (DS-10.8) 48% married 72% of married couples has children Length of relationship 17.2 years (DS 9.9; range 2.5 - 35 years) | German- speaking region of Switzerland | Sampling by media (newspaper advertisement). Questionnaires sent by mail and filled independently by the partners. | Love styles Dyadic satisfaction Dyadic Coping All variables measured by validate tools For data analysis used APIMeMs (2011) |
| Zacchilli, Hendrick, & Hendrick, (2009). Journal of Social and Personal Relationships Empirical research | To evaluate, among other objectives, the association between love styles and conflict strategies | 349 Individuals 226 Females 92% casual and seriously dating | 69% European American. Southwestern University. | Sample recruited from University undergraduate psychology classes. Credit for participation. | Love styles Relationship dimensions and Conflict All variables measured by validate tools |
| Zadeh & Bozorgi (2016). International Journal of Humanities Empirical research | To analyze the association between love styles and marital quality | 12 married students 6 Males and 6 Females | Islamic Azad University of Qom | Participants selected from 200 students. Stepwise cluster random sampling | Love styles Personality characteristic Marital satisfaction All variables measured by validate tools |