Blocks of Model A

Here is a sketch of some of the defining characteristics of each of the blocks of Model A. These come from observing how functions work in real life and generalizing across types. Terms are explained wherever they appear for the first time, and they or their opposites can be applied everywhere).

Ego
Enjoyable to experience (fun to be in this environment)
Easy to use (doesn't require much conscious effort or "willpower" to focus on)
Prone to burnout (gets stuck in a rut and become overworked)
Normal state of mind (what a person is usually like when interacting with others)
Very high endurance (functions can easily effectively be used for hours at a time)
High initiative (person foresees problems in these areas and manages them in advance)
High tolerance (can handle being exposed to these types of information for a long period of time)
Likes to talk (about things from the perspective of these kinds of information)
Thinks openly (involves other people in thinking/experiencing process)
Likes to do (turns talk into action)
Likes to lead (sets the tone in these areas for others)
Doesn't like to follow (others' initiative without adding new initiatives of one's own)

Super-Ego
A strain to experience
Hard to use
Tense state of mind
Low endurance
Low initiative
Low tolerance
Doesn't like to talk
Thinks to oneself
Doesn't like to lead
Doesn't like to follow

Id
A minor strain to experience
Fairly easy to use
Unusual ('weird') state of mind
Medium endurance
Medium tolerance
Doesn't like to talk
Doesn't think
Likes to do briefly
Likes to lead briefly
Likes to follow briefly

Super-Id
Enjoyable to experience
Medium-hard to use
Prone to neglect
Regenerative state of mind
Medium-high endurance
Medium-high tolerance
Likes to talk
Doesn't think
Likes for others to do
Doesn't like to lead
Likes to follow