"scarcely considered" is correct and can be used in written English.
It can be used when you want to indicate that something has not been given much thought or attention. For example: He had scarcely considered the consequences of his actions before making a decision.
But he acknowledged that planners had scarcely considered whether the Explorer, while safer for its own occupants in a crash with a lower-riding car, was more deadly to other motorists.
The MOOC movement started off in a tech whirlwind; the people who pushed it forward were so caught up in its technological possibilities that they scarcely considered decades of research into educational psychology.
This parameter has been scarcely considered in design studies.
Local light switch is a novel problem, introduced here and scarcely considered in the literature.
Now that "the real villain" has been caught, the painful aspects of Dutchbat's performance are scarcely considered.
This makes the automation of these functions a field attracting an increasing attention, where the implications of its application for 5G scenarios have been only scarcely considered.
States and school boards can scarcely consider such a thing because computer science isn't even taught in most high schools.
They're waiting to get called in, to go home, to realize their dreams, to have a future that may never arrive, a trajectory that this movie scarcely considers.
By and large, the literature still scarcely considers the magnitude of the activities of the firm in different countries.
He comments on both of these methods as follows (1924, 15 16): "We can scarcely consider that either of these methods of comparing time at different places is an essential part of our primitive notion of time in the same way that measurement at one place by a cyclic mechanism is; therefore they are best regarded as conventional".
Though a Torontonian through and through, he scarcely considers himself to be part of its scene, or that there is in fact a scene at all.
