"appears ineffective" is a correct and usable phrase in written English.
It can be used anytime to describe something that seems to not be effective. Example: The new marketing strategy appears ineffective in increasing sales.
But a new study, published in The Journal of the American Medical Association, reports that the method, shock wave therapy, appears ineffective against the heel problem.
However visual BF appears ineffective for weight-bearing training [30, 31].
Conclusion: TUDCA appears ineffective in preventing the development or treatment of TPN-associated cholestasis in neonates.
The policy of green tariffs (BAI) appears ineffective in preventing such carbon leakage according to our model projections.
The Italian welfare system appears ineffective in protecting worse-off households, and policies aimed at protecting employment, supporting women labour force participation, the elderly, and households with children would be needed.
While it has been shown that repeated sessions of SIT using long rest periods (i.e., low work-to-rest ratio) elicit improvements in endurance performance [4, 33] and Si [2, 37, 39], a single bout of SIT appears ineffective for improving Si [3, 30, 38].
Appearing ineffective, he was soon defeated.
It was also unfortunate that Charlie Davies and Robbie Findley appeared ineffective at times and hapless at others in attack.
This provocative slogan established Carmichael as a media phenomenon, and one who made Martin Luther King appear ineffective and dated.
To the Editor: This important article does not make clear why AIDS prevention strategies in Uganda appear ineffective.
Shares of the Chiron Corporation lost almost a quarter of their value after the biotechnology company's experimental heart drug appeared ineffective in a large-scale study.
