The credibility of a major survey commissioned by five media organisations which suggested that the public was generally unhappy with Anwar Ibrahim's administration has come under scrutiny.

In a statement, the head of Universiti Utara Malaysia's (UUM) Malaysian Institute of Political Analysis (Mapan) Mashitah Mohd Udin said the survey was not representative of the electorate.

"There were 35,077 respondents but it only reflected...