A coalition led by Nick Clegg and Nigel Farage would be more cohesive than any other combination of party leaders, according to psychometric testing carried out by Praditus.

Data was collected form analysing the seven party leaders’ personal discourses and interviews. Surprisingly it suggests that Clegg and Ed Miliband, leaders of two parties fairly close in terms of policies, would be the least compatible partners.

Greens leader Natalie Bennett and the SNP’s Nicola Sturgeon, two leaders proposing a largely leftist offering, are also seen to be among the least compatible pairings.

Current prime minister David Cameron, himself in a coalition agreement with Clegg and the Liberal Democrats, is seen neither as the most or least compatible partner for any of the other leaders.

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His main traits are of an activist, challenger and general. He is seen as someone who wants to lead and inspire people to achieve great things. He is also a “ferocious opponent” who enjoys confrontation and will vigorously defend causes he believes will drive social or political change.

Clegg and Farage are seen as compatible because of their adaptability, simplicity and mutual understanding.

One of Farage’s more bizarre traits, according to the research, is being a “cave dweller”. This means he enjoys fulfilling basic needs on a day-to-day basis. He is also seen as straightforward with strong beliefs and someone who enjoys being right.

Labour leader Miliband is cast as a “peacmeaker” who is keen to discover alternatives that benefit all parties. He is also seen to be an excellent mediator and facilitator. Clegg’s best qualities are his skills in influencing others and his ability to deal with situations on a tactful way.

Andres Davila, research director at Praditus, said the results were based on more than 50 “cognitive and personality traits”.

Further reading on politics: The main parties’ policies on small business