Hi, you'll need to research these a little more ..
Theories relating to cognitive development..
Constuctivist ---- Jean Piaget & Lev Vygotsky, how children make sense of their world.
Stages of learning: Assimilation, equilibrium, disequilibrium, accomodation
Stages of cognitive development: sensori-motor, pre-operational, concrete operational, formal operational.
Scaffolding
Zone of proximal development
Behaviourist ---- John B Watson, Ivan Pavlov, Burrhus F Skinner
Classical conditioning
operant conditioning - negative and positive reinforcers.
Social learning theory also behaviourist ---- Albert Bandura
bobo doll experiment - learning by watching others
and
theory that relates to social and emotional development..
Psychoanalytical -- Sigmund Freud
Suggests three parts to the structure of personality, not all being present at birth but being acquired as a child develops.
ID, Ego, Superego
Humanist -- Abraham Maslow
Heirachy of needs
Attchment theory -- John Bowlby & Mary Ainsworth
The variety of
theories relating to development culminate to inform a holistic approach to providing care, learning and developmental opportunities for children's progression and support.
If at all possible can you ask your libaray if they have any of these suggested titles for you to use as a base for research..
CYPW diploma level 3: Heinemann's Lv 3 handbook
or Cache level 3
or Miranda Walker's cypw handbook
or Collins cypw lv 3 candidate handbook
By Linda Pound - How children learn book 1 how children learn
book 2 how children learn
book 3 contemporary thinking and theorists
Understanding child development, linking theory to practice by Jennie Lindon
Hope this helps to start things for you xx