According to the federal regulations, which of the following studies meets the definition of research with human subjects?
a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.

The correct answer is True

A developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.

the vibration from the sound waves messed with the glass and it shattered.

hope this .

answer; size, shape, color and status;