Toddlers at the age of three and below want to choose and decide for themselves and autonomy is fostered when parents permits reasonable free choice and do not force the child to do something he/she doesn't want.
I believe its internal validity
Answer:
the recognition beuristic
Explanation:
Hiram is not really a sports fan, but he signs up for a fantasy baseball tournament that is being sponsored by his company. In selecting his team, he picks the 10 players that he recognizes from 200 that are listed. He is pleasantly surprised when his fantasy team finishes near the top. In this instance, Hiram made his selections using THE RECOGNITION BEURISTIC
All of the above so the last one