Israelis are divided over whether US involvement in the Middle East peace process has had a positive or negative impact, according to a study released on Wednesday.

About a third of respondents who took part in a poll commissioned by B'nai Brith World Center on Contemporary Israeli Attitudes Toward Diaspora Jewry said Washington has impeded progress, a third said it has facilitated it and another third said they did not know.

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The Internet survey was conducted by KEEVOON Research on June 20 with 507 Israeli Jews age 18 or older. The a margin of error is about 4.5 percent.