Justify why children often have the same habits and mannerisms as their parents

What is an important step to prove something is valid or not? determining the reliability observing research testing

Interactional synchrony is like an "emotional dance" between caregiver and child, wherein they send important signals and share emotions. what does this process form for the child? a. a physical foundation for trust b. a basis of the drive for independence c. positive experiences that stabilize brain connections d. a basis for attachment

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?