and so on. Little holes cut in the pages allow toddlers to wiggle their fingers through the food, just like the caterpillar. Vivid and colorful illustrations and ingenious layered pages help preschoolers learn the days of the week, how to count, and how a caterpillar turns into a butterfly....
At the easy level, which is free, you start with sets of dots -- a challenge preschoolers can handle. Next, you fly into labeled grids and finally symbols like (4 x 5). There are ten levels to unlock, and eventually buy as an in- app purchase. If you were to buy all the ...
Obesity status transitions across the elementary years: use of Markov chain modelling Summary Objective The objective of this study was to assess overweight and obesity status transition probabilities using first‐order M arkov transition mo... TA Chen,T Baranowski,JP Moreno,... - 《Pediatric Obes...