| Authors, year, paper, type of study | Objectives | Sample | Cultural context | Sampling and procedure | Variables and their measures |
| Acevedo & Aron (2009). Review of General Psychology Meta-Analysis | To examine correlations of love without obsession and obsessive love with relationship satisfaction, separately by relationship stage and by constructs of love | Samples of college students, both in short-term group (relationship length overall was less than 4 years) and long-term group (typically married 10 years or more) |
| 25 Cross-sectional and longitudinal studies | Love styles Romantic love with obsession, intimacy Companionate love Relationship satisfaction All variables measured by validate tools |
| Adil & Kamal (2005). Indian Psychological
 Review Empirical research | To examine associations of love styles with secure, preoccupied, dismissing attachment styles and narcissism | 150 Individuals 75 Girls and 75 Boys Age = 22.5 years (DS 2.75) | Quaid-i-Azam University Islamabad | Participants were personally contacted by researchers. And informed about objectives, privacy and instructions | Love styles Attachment bond Narcissism All variables measured by validate tools |
| Couch, Baughman & Derow (2016). Current Psychology Empirical research | To investigate whether love styles influence individual differences in reactions to experiences of betrayal | 207 college student volunteers 117 Females Age = 20 years (range 18 - 48 years) Betrayals occurred 2.27 years prior to research participation; The majority were no longer romantically involved with their betrayers 92% Caucasian race |
| The research was part of a larger study Participants were each greeted by a researcher. Individual administration of questionnaire. | Love styles Post-betrayal outcomes All variables measured by validate tools |
| Fehr, Harasymchuk & Sprecher (2014). Journal of Social and Personal Relationships Empirical research | To analyze if compassionate love (CL) and the agape love style are redundant constructs. To examine if CL and Agape are predictors of relational satisfaction and commitment | 115 psychology students 59 Females Age = 20 years (range 18 - 35 years) 51.3% middle class 77% White race 44.3% were seriously dating 24.3% were cohabiting Length of relationship = 20.46 months (range 5 - 84) | Winnipeg, Illinois State | It was administered a questionnaire package | Love styles Compassionate love Relationship satisfaction All variables measured by validate tools |
| Galinha, Oishi, Pereira, Wirtz & Esteves (2014). Social Indicators ResearchEmpirical research | To analyze simultaneously the associations of love styles, attachment styles, romantic relationship experiences with subjective well-being (SWB). Cross-cultural and gender differences in the predictors of SWB | 1.582 college students from three different countries From 43% to 63% females in the three samples Ages = 19 - 23 years | North Carolina, (USA), Maputo, Mozambique (Africa) Lisbon, (Portugal Europe) | Convenience sampling method. English and Portuguese version of the scales. Pre-test to evaluate the comprehension of the questionnaire by the Mozambicans. Participation took around 30 - 40 min. | Relationship experience (by item ad hoc) Love styles Attacchment Subjective Well-being All these variables measured by validate tools |