IxFx
Passively searching for feelings in people. Helpful and cooperative. Dialogue is understood as an exchange of warm gestures.
ExTx
Actively expects people to show their feelings. Business-like. Dialogue is understood as business cooperation.
IxTx
Passively expects people to show their feelings. Dispassionate. Dialogue is understood as an exchange of missing information (of an explanatory character).
ExFx
Actively searching for feelings in people. Emotionally expressive. Dialogue is understood as an exchange of emotions.