Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Kelley ya ƙware a fannin cin zarafin yara, tun daga shekarar 1979.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Kelley ya ƙware a fagen cin zarafin yara, tun daga 1979 kuma ya bayyana a matsayin masanin masanin ilimin yara a kan shirye-shiryen kasa da suka hada da Yau Yau, NBC Evening News da CBS Morning News. "