Massed
Skill is practiced in a continuous or constant manner. Rest periods are short or non-existent.
Distributed
Periods of rest are equal to or longer than the period spent practicing.
Whole
Skill is practiced in its entirety.
Part
Skill is practiced in separate parts.
Blocked
Skill is repeated for a period of time or number of reps.
Serial
Set of skills are performed in a set sequence.
Random
Several different sets of skills are practiced in an order that is constantly changing.
Constant
Skill is practiced under the same conditions.
Varied
Incorporates different movement options and context changes in no particular order.
Drills
Repeats an isolated skill, or small set of skills, in a relatively closed, simple environment.
Problem-solving Drills
Requires reading environmental cues and responding to those problems in the most suitable way.
Specificity
Skill is practiced in an environment that is as close to match conditions as possible.
Variability
Variations of a skill is practiced in no particular order.