Doris Zjalic, Alessio Perilli, Lorenza Nachira, Gaia Surya Lombardi, Chiara Cadeddu
PERSIST: a pre-post study to assess an educational methodology to enhance youth climate literacy and systems thinking ability
The Lancet. Planetary health
childrens performance number line tasks reflects developing number system knowledge 5 years age children perform poorly even simplest number lines ie 010 goal understand number line skills develop formal schooling chilean preschoolers attempted 010 number line task three times 2 years beginning prekindergarten 47 yearsmonths time 1 end prekindergarten 50 time 2 end kindergarten 510 time 3 used latent class analysis group children according patterns performance across number targets time 1 86 children error patterns indicating randomly placed estimates line time 2 56 children continued respond randomly time 3 56 children showed competent performance across number line 23 accurate near endpoints 21 accurate low target numbers near origin latent transition analyses showed transition less proficient estimation classes predicted childrens number identification skills thus number line performance changed dramatically 4 6 years age children began develop cognitive numerical skills necessary accurately estimate numbers number line