FI

(redirected from fixed interval reinforcement)
Also found in: Dictionary, Medical, Encyclopedia.
Related to fixed interval reinforcement: fixed ratio reinforcement, Positive reinforcement, variable ratio reinforcement, variable interval reinforcement

FI

The two-character ISO 3166 country code for FINLAND.

FI

1. ISO 3166-1 alpha-2 code for the Republic of Finland. This is the code used in international transactions to and from Finnish bank accounts.

2. ISO 3166-2 geocode for Finland. This is used as an international standard for shipping to Finland. Each Finnish province has its own code with the prefix "FI." For example, the code for the Province of Lapin laani is ISO 3166-2:FI-LL.