A study that asked participants to count each act of kindness they performed for one week significantly enhanced their subjective happiness.
ɐ stˈʌdi ðæt ˈæskt pɑːɹtˈɪsɪpənts tə kˈaʊnt ˈiːtʃ ˈækt ʌv kˈaɪndnəs ðeɪ pɚfˈɔːɹmd fɔːɹ wˈʌn wˈiːk sɪɡnˈɪfɪkəntli ɛnhˈænst ðɛɹ sʌbdʒˈɛktɪv hˈæpɪnəs.