The phrase "needs further evidence" is correct and usable in written English
It can be used when you believe further information or testimony is necessary in order to prove something. For example, "This claim needs further evidence before it can be accepted."
When confidence in big business has been eroded by tax avoidance and the scandal of poverty pay, this is the last thing the corporate world needs – further evidence that many are prepared to put profit before the lowest of environmental hurdles.
UPDATE: In case anyone needs further evidence of this slippery development slope, the "Mummy" embargo lifted this afternoon and early reviews are not positive.
However, it needs further evidence to support this viewpoint.
These parameters seem to influence the antimicrobial mechanism present that although consistent with a cationic release process still needs further evidence.
Parent-set bedtimes have been shown to be related to good sleep hygiene in adolescents 37 and an increased parental involvement in technology use could be a recommendation based on the findings, but this needs further evidence.
Therefore the conclusion that engrailed is activated in a non-autonomous manner needs further evidence, perhaps with higher quality anti-En staining and a demonstration that Ptc expression is suppressed in these cells.
Need further evidence that digital cameras are among the hottest-selling techno-gadgets around?
As if one needed further evidence of the trend, last month "digital detox" was added to the Oxford Dictionary Online.
Should England need further evidence of how dangerous the Swedes can be on set-pieces, the 2006 World Cup provides an unwelcome reminder.
Need further evidence that the forces transforming life as we know it -- you know, global economic interdependence, the Internet -- really are changing everything?
In case you needed further evidence that the White Hats are losing the war on cybercrime, a six-year-old so-called Trojan horse program that drains bank accounts is alive and well on Facebook.
