Bebe observes a child’s behavior after he has watched 15 minutes of violent cartoons. she codes the child’s behavior every 30 seconds according to whether he hits, kicks, pushes, or bites another child. this observational technique can best be described as observation.

systematic          

Explanation:

Systematic observation: The systematic observation is used either to disprove or support a hypothesis and is a form of calculated observation. An observation should be repeatable and bias-free to be systematic. In systematic observation, a hypothesis is being made by the researcher and then it is being tested through experimental methods.

Advantage:

1. It forms the basis of scientific inquiry.

2. Mode of getting or acquiring wisdom about the environment.

In the question above, the observational technique used by Bebe can best be described as a systematic observation.

the best and most correct answer among the choices provided by the question is the second choice "less supportive to the war of 1812"

the war of 1812 was a military conflict that lasted from june 1812 to february 1815, fought between the united states of america and the united kingdom, its north american colonies, and its native american allies.

i hope my answer has come to your . god bless and have a nice day ahead!