The first study to compare honesty across a range of communications media has found that people are twice as likely to tell lies in phone conversations as they are in emails.

　　分析主干：The first study... has found that...

　　不定式to compare...作定語修飾the first study，that 引導的從句至句末，作found的賓語。賓語從句用了同級比較結構as... as，句中，是they are likely to tell lies inphone 和they are in emails 進行比較。

　　譯文：第一個在各種不同的通訊媒介中對比誠實度的研究發現，人們在電話談話中說謊的可能性是他們在電子郵件中說謊的可能性的兩倍。