Which preposition to use with ineffective

in Occurrences 9%

The paper read by Mrs. Pottswho was not at all ineffective in her blackwas on "The Lake Poets," with a few pointed selections from Wordsworth and others.

as Occurrences 5%

True, some men, though inexpert as writers, have made themselves proficient as speakers; or though shambling and ineffective as speakers, have made themselves proficient as writers.

against Occurrences 4%

As seems to have been demonstrated in the valley of the Aisne, they are apparently ineffective against field forces deeply intrenched in a far-flung line.

for Occurrences 1%

But of such facts there exists a vast accumulation; unsifted, untested, and therefore as yet ineffective for proof, but capable, I can scarcely doubt, of reduction to methodical order and scientific treatment.

by Occurrences 1%

Such a course loses sight of the main point in a multiplicity of details, renders instruction ineffective by scattering effort, produces hopeless confusion in the mind of the pupil, and robs composition of that inspiration without which it cannot succeed.

on Occurrences 1%

Conventional fire assay methods are ineffective on desert dirt.

than Occurrences 1%

I am more ineffective than a Galician Pole or a Bohemian who votes for his nationalist representative.

to Occurrences 1%

If he thought that the use of force would be ineffective to that end he would not employ it.

Which preposition to use with  ineffective