IBTimes UK looks at the prime minister's comments about the TV debates from 2010 to 2015.
The study also found that Charles Kennedy and Alistair Darling are set to lose their seats.
Prime minister says he will only take part in 1 televised debate over a month before election.
Ukip releases two identical statements of apology for two separate instances of homophobia
David Cameron is expected to make the major general election manifesto commitment later today.
The BBC's political editor, Nick Robinson, will undergo surgery to have a tumour removed from his lung, the organisation announced on Saturday.
Rotherham Labour MP Sarah Champion talks about women in politics ahead of International Women's Day
Cameron has failed miserably in his doomed promise to cut net migration to the UK.
The 'awkward' exchange distracted from the party's general election campaign launch.
Two former British foreign ministers denied wrongdoing on 23 February after they were secretly filmed offering their services to a fake Chinese company in return for thousands of pounds.
Encouraging more women to vote will be crucial for this general election.
Britain's grand dame of fashion said the Green party is about equality and real values.
Conservatives move 2 points up on Labour in latest opinion poll ahead of elections on 7 May
Jo Swinson will not be giving up her East Dunbartonshire seat at the general election without a fight.
Jo Swinson tells IBTimes UK predictions of a Lid Dem catastrophe are wide of the mark.
IBTimes UK takes a look at this week's political news and Westminster gossip.
The UK's unemployment rate fell by 97,000 between October and December to 1.86 million.
Stand Up To UKIP plan mass rally during party's spring conference.
Labour leader uses West Midlands speech to announce plan to create more apprenticeships.
Report by Taxpayers' Alliance identifies millions squandered through avoidable errors.
George Hargreaves campaigned to have dragon removed from Welsh flag
Untraceable phones and football-related passwords – HSBC employee lifts lid on how Swiss branch allegedly did business