This research study compared two different approaches to practicing loving-kindness over six weeks to see which one was more effective at increasing prosocial behaviors and reducing aggression. The study involved 203 participants who were randomly assigned to one of three groups:
Loving-Kindness Meditation Group - Participants listened to 30-minute guided meditation recordings weekly, plus 10-minute daily meditations focused on developing loving feelings toward themselves and others.
Loving-Kindness Reflection Group - Participants listened to 30-minute podcast discussions about loving-kindness concepts weekly, plus read 10-minute daily texts about loving-kindness topics with reflection questions.
Waitlist Control Group - No intervention.
Surprisingly, reading and thinking about loving-kindness concepts was more effective than meditating on them. The reflection group showed:
Reduced aggressive behavior that lasted even 6 weeks after the program ended
More positive attitudes toward various social groups
Faster recall of altruistic memories (suggesting kindness was more mentally accessible)
Higher compassionate love both immediately after and 6 weeks later
Greater willingness to help others (this effect emerged later at follow-up)
Meditation did have distinct benefits:
Increased feelings of compassionate love
More positive emotions immediately after the program
For beginners, thinking and reading about loving-kindness appears more powerful than formal meditation practice. The researchers suggest this might be because:
Reading and reflection are more familiar and easier activities for most people
Meditation is difficult to learn, especially for novices
The cognitive approach may be more accessible to educated populations
Reading about compassion, listening to discussions about kindness, and reflecting on these concepts are be just as effective as formal meditation practice for people new to these practices.
Need something to apply in your classroom?
We have developed a sharable poster to use with your students to illustrate these findings.