Beckham is 18 months old. his parents want to encourage him to eat fruit. which approach would be most effective in accomplishing this task using social referencing?
- slowly nodding when beckham eats fruit
- smiling and saying yummy! when beckham eats fruit
- frowning when beckham does not eat fruit
- smiling and looking surprised when beckham eats fruit

Smiling and saying it's yummy when Beckham eats fruit.  

Explanation:

Social referencing:

Social referencing is a process where an infant uses the effective way of an adult to regulate their behavior related to the social, cognitive, person, situation and objects. It is the major procedure through that an infant tries to understand the world environment. The infant in their starting days are capable to interact with the environment and communicate with the object, and situation in the environment. It occurs when people used symbols and cues from the environment. This is also called asocial learning and cognitive development in human beings.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.