Barkley has enjoyed a breakthrough start to the season with the Toffees, which included scoring from range at Norwich City in their Premier League opener.
With the youngster thrust into the headlines by a maiden England call-up, Martinez has insisted that he can handle the burden of expectation, believing that the 19-year-old has no obvious flaws in his game.
He told The Mirror: “He reminds me of Michael Ballack. When Ballack was younger, nobody knew what his best position was. Could he be a sitting midfielder, an attacking midfielder or play up front? Ross is that impressive.
“He’s started our last three games. Against Real Betis he gave the ball away twice in a dangerous area. Against Norwich once. And against West Brom, he didn’t.
“It’s incredible how he takes things in and can develop, but he’s not the finished article.
“I look at Ross and you tell me what weakness he has? He hasn’t got one.”
The 19-year-old has played 20 times for Everton since making his Goodison Park debut as a 17-year-old, either side of loan spells at Sheffield Wednesday and Leeds United.
The teenage midfielder, along with Tottenham winger Andros Townsend, is in line to win his first England cap after Roy Hodgson called him up for the World Cup qualifiers against Moldova and Ukraine.
Barkley played for the England under-20 national team at this summer's World Cup, and featured under Hodgson for the under-21s in the 6-0 win over Scotland earlier this month at Bramall Lane.
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