Does the percent correct identification depend upon the level of the signal relative to the level of other speech signals that are simultaneously presented to the listener?

Second, please answer these three question in acoustical engineering way.

1-Does the percent correct identification of a target speech signal depend on the reverberation time describing the simulated room acoustics in which the signal is heard?

2-Does the percent correct identification depend upon the level of the signal relative to the level of other speech signals that are simultaneously presented to the listener?

3-Is there an interaction between reverberation time and signal to noise ratio such that the effects on performance of one variable depend upon the level of the other variable?