6.2.1 Wani tunanin Contagion
An sanya masu amfani da Facebook 700,000 a cikin gwaji wanda zai iya canza motsin zuciyar su. Masu halartar ba su ba da izinin ba, kuma binciken bai kasance mai kula da bin ka'idoji mai kyau na wasu ba.
Domin mako daya a watan Janairun 2012, an sanya kimanin mutane 700,000 masu amfani da Facebook a cikin gwaji don suyi nazarin "kwakwalwar motsin rai," har ma abinda zuciyar mutum ke fuskanta ta tasiri da motsin zuciyar mutanen da suke hulɗar su. Na tattauna wannan gwaji a babi na 4, amma zan sake sake dubawa a yanzu. Masu shiga cikin gwagwarmayar kwakwalwa ta motsa jiki sun kasance cikin kungiyoyi hudu: ƙungiyar "negativity-reduced", wanda aka sanya shi da maganganun da ba daidai ba (misali, bakin ciki) daga bayyana a cikin News Feed; wani rukunin "haɓakaccen haɓaka" wanda aka sanya shi da kalmomi masu mahimmanci (misali, farin ciki) an hana shi; da ƙungiyoyi biyu masu kula, daya daga cikin rukunin haɓakaccen haɓaka kuma ɗayan ƙungiyar raƙuman haɓaka. Masu bincike sun gano cewa mutane a cikin rukunin haɓakaccen haɓaka suna amfani da kalmomi masu mahimmanci kaɗan da wasu kalmomi mafi ma'ana, dangane da ƙungiyar kulawa. Bugu da ƙari, sun gano cewa mutanen da ke cikin yanayin da ba su da haɓakawa sun yi amfani da wasu kalmomi masu mahimmanci kuma kadan kalmomi marasa kyau. Saboda haka, masu bincike sun sami hujjoji na kwakwalwa (Kramer, Guillory, and Hancock 2014) ; don ƙarin bayani game da zane da sakamakon binciken gwaji ya duba babi na 4.
Bayan da aka buga wannan takarda a cikin Kotun Cibiyar Kimiyya ta kasa , akwai babbar murya daga masu bincike da kuma jarida. Rashin fushi game da takarda ya mayar da hankali ga mahimman bayanai guda biyu: (1) mahalarta ba su bayar da wani izini ba bisa ga ka'idodi na yau da kullum na Facebook da kuma (2) binciken bai taɓa (Grimmelmann 2015) nazarin ka'idoji mai mahimmanci na uku (Grimmelmann 2015) . Tambayoyin da aka gabatar a cikin wannan muhawara ya sa jaridar ta buga wani "maganganun damuwa" game da ka'idoji da tsarin nazarin ka'idar bincike (Verma 2014) . A cikin shekaru masu zuwa, wannan gwaji ya ci gaba da kasancewa tushen muhawara da rashin jituwa, kuma zargi na wannan gwaji na iya samun tasirin da ba a kula da tuɗa irin wannan bincike a cikin inuwa (Meyer 2014) . Wato, wasu sunyi jayayya cewa kamfanonin basu daina yin amfani da irin wadannan gwaje-gwaje-sun kawai tsayawa magana game da su a fili. Wannan muhawarar na iya taimakawa wajen samar da tsarin nazari game da bincike akan Facebook (Hernandez and Seetharaman 2016; Jackman and Kanerva 2016) .
