Final answer:
Toddlers are typically ready for toilet training around 22 to 30 months, when they possess the necessary motor skills, cognitive understanding, and communication ability. The age of 22 months is a reasonable approximation, but individual readiness can vary.
Step-by-step explanation:
A toddler-age client is generally physiologically and psychologically prepared for toilet training around the age of 22 to 30 months. At this stage in development, toddlers have achieved important milestones in physical, cognitive, and psychosocial growth that allow them to recognize the need to use the toilet, control their bodily functions to some extent, and understand and follow basic instructions regarding toilet training. By the age of two years, toddlers typically can walk, run, and have the fine motor skills necessary to build with blocks or use a spoon, which indicates a level of coordination and awareness conducive to starting toilet training. By age three, most children will have mastered the skills needed for toilet training, with many being completely toilet trained.
The most appropriate age range from the options provided would be (4) 22 months, although this can vary widely among individual children. A key consideration is that toddlers must be able to understand and communicate their needs, which usually solidifies closer to the two-year mark, in addition to having the necessary motor skills to physically use the toilet. Observing the child's readiness and willingness is crucial, as not all children develop at the same pace. Therefore, a rigid timeline is not as important as recognizing the child's unique progress and readiness for toilet training.