5.5.2 yin amfani heterogeneity

Da zarar ka tilasta mutane da yawa suyi aiki a kan matsala na kimiyya, za ka gane cewa mahalarta za su kasance iri iri a hanyoyi biyu: zasu bambanta da kwarewarsu da ƙwarewarsu. Abu na farko da yawancin masu bincike na zamantakewar al'umma shine ya yi yaki da wannan mahallin ta hanyar ƙoƙarin cire masu halartar masu kirki mai zurfi sannan kuma ƙoƙari su tattara adadin bayanai daga kowacce hagu. Wannan ita ce hanyar da ba daidai ba ta tsara tsarin haɗin gwiwar taro. Maimakon fada da mahalli, yakamata ya kamata ku ladafta shi.

Na farko, babu wani dalili na ware masu halartar kwarewa. A cikin kira na budewa, masu halaye marasa kwarewa basu haifar da matsala; gudunmawar su ba ta cutar kowa ba kuma basu buƙatar kowane lokaci don kimantawa. A cikin ƙididdiga ɗan adam da kuma rarraba ayyukan tattara bayanai, ƙari ma, mafi kyawun nau'in kulawa ta kodayaushe ta zo ne ta hanyar sake yin rajista, ba ta wurin babban mashaya don saka hannu ba. A gaskiya ma, maimakon ba tare da masu halartar kwarewa ba, hanyar da ta fi dacewa ita ce ta taimaka musu wajen inganta gudunmawar, kamar yadda masu bincike a eBird suka yi.

Na biyu, babu dalilin da za a tattara adadin bayanai daga kowane ɗan takara. Kasancewa cikin ayyukan haɗin gwiwar da yawa yana da banbanci sosai (Sauermann and Franzoni 2015) , tare da ƙananan mutanen da suke ba da gudummawa-wani lokaci ana kira shugaban mai- kuma mutane da yawa suna ba da wani ɗan lokaci-wani lokaci ana kiran dogon wutsiya . Idan ba ku tattara bayanai daga kai mai kai da kuma tsutsi mai tsawo ba, kuna barin yawan bayanai ba tare da sunada su ba. Alal misali, idan Wikipedia ya yarda 10 da kawai 10 gyare-gyare ta edita, zai rasa kusan kashi 95% na gyaran (Salganik and Levy 2015) . Saboda haka, tare da ayyukan haɗin gwiwar, ya fi dacewa wajen yin amfani da nauyin mahaifa maimakon ƙoƙarin kawar da shi.