Reaction time involves selecting a specific and correct response from several choices when presented with several different stimuli.

Reaction time, which can either be simple or complex refers to the time needed for perception and evaluation of a stimulus and the time necessitating a response. A complex reaction time involves selecting a specific and correct response from several choices when presented with several different stimuli.

The equal protection clause, is part of the 14th amendment to the united states constitution,the clause, which took effect in 1868 provides that no state shall deny to any person within its jurisdiction "the equal protection of the lawthe equal protection clause states that citizens are protected equally under the law