Illustrations
 
Illustrations presents students’ with a collection of situations in which a problem can be perceived and recognized. Students are mediated to offer appropriate solutions to the identified problems. This instrument mediates students’ ability to perceive details, use several sources of information, and exercise comparative behavior. Illustrations lends itself to the development of vocabulary and oral and written language; it is also highly useful for generating task-intrinsic motivation. It is used in conjunction with other instruments to reinforce or elaborate previously learned strategies. 
 Definition of the inferred problem. 
 Use of relevant cues as a basis for inference. 
 Use of comparative behavior. 
 Use of summative behavior. 
 Hypothetical thinking and use of logical evidence to support conclusions. 
 Establishment of relationships between the individuals, objects, and events shown in the illustrations.