that suggests that DPP(专有词汇） can work. However, their research was more focused on DXP(专有词汇), and provides only anecdotal evidence that DPP is effective.
anecdotal evidence 这里翻译成无对照依据的证据，大家看怎样，请大家多帮忙
參考答案:无根据的证据。
因为：文中没有说明证据是由对照推断出来，可能是事实证据，可能是理论证据，但是不管是上述那种，都是没有根据的证据。
