The majority of IT workers would seek help elsewhere instead of asking their managers - 12% more than the national average, a survey reveals.
Their reasons included: not wanting to bother their boss (42%), being scared of looking incompetent (28%) and being judged for being unsure what to do (18%).
However, 30% said they did not trust their manager's judgement or that they would be unable to help.
The poll was commissioned by the Chartered Management Institute (CMI) and the British Library to mark the inaugural Management Book of the Year competition.
Ruth Spellman, chief executive at CMI, said, "These new figures paint a worrying picture. The job of a manager is to guide and instruct [and is] the first person you turn to."
The aim of the competition is to identify the best texts for helping managers to improve their skills.
"If the UK's businesses are to rise out of the recession and flourish, we need to get these things right by vastly improving the quality of our managers and leaders," Spellman said.
"We are acutely aware that when it comes to management roles, often the wrong, or those who are inadequately skilled, occupy the top jobs," she said.