A Conditioned Motivating Operation-Transitive (CMO-T) is a type of motivating operation (MO)Motivating Operation (MO): Refers to an environmental variab... that makes something else effectiveEffective refers to one of the seven dimensions of Applied... as a reinforcerA reinforcer is any consequence or stimulus that, when pre..., due to a learned relationship between stimuli. In simple terms, the CMO-T increases the value of another stimulusStimulus is defined as any change in the environment or for... as a reinforcer because it is necessary to complete a task or access something else. It creates a situation where the person must engage in certain behaviorBehavior refers to any activity or action that living organ... to achieve a desired outcome.
Example
If you are trying to unlock a door, a key becomes a necessary tool to complete the task. The key itself becomes more valuable because it is needed to open the door. The locked door (CMO-T) increases the value of the key as a reinforcer because you need the key to access the room.
Another example: A student wants to access a game on the computer. However, the computer is password-protected. The student now sees the password as something valuable (a reinforcer) because it is necessary to gain access to the game. The password is not inherently reinforcing, but the CMO-T (the desire to play the game) makes it reinforcing in that moment.