stˈʌdiz ʃˈoʊ ðæt dʒˌɛnɚɹˈɔsᵻɾi ɪn lˈæbɹətˌɔːɹi ænd ɪn ˈɑːnlaɪn ɛkspˈɛɹɪmənts ɪz kəntˈeɪdʒəs pˈiːpəl ˈɪmᵻtˌeɪt ðə dʒˌɛnɚɹˈɔsᵻɾi ðeɪ əbzˈɜːv ɪn ˈʌðɚz.
Studies show that generosity in laboratory and in online experiments is contagious – people imitate the generosity they observe in others.