അർത്ഥം : Descriptive of any event or stimulus or process that has an effect on events or stimuli or processes that occur subsequently.
ഉദാഹരണം :
Proactive inhibition.
Proactive interference.
Descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously.
retroactiveഅർത്ഥം : (of a policy or person or action) controlling a situation by causing something to happen rather than waiting to respond to it after it happens.