Answer:
If children are under 15 years old and less than 4'9" tall, the law says those children must be in State-approved safety seats
Answer: This is a "CONTROLLED PLACEBO EXPERIMENT".
Explanation: A controlled placebo experiment is a type of research method that is used to check the effectiveness of a drug in a patient. This is done by selecting a sample group, then randomly divide the two group into a placebo group ( this are the group that will receive the drug treatment ) and the controlled group( these are the group that will receive a coloured mixture that looks like the drug, but does not have any effect). Without the groups knowledge about the real drugs and the coloured mixture, but are followed up and tested.
This is a controlled placebo experiment, because 400 student has been choosed as the sample, and are divided into a placebo group and a controlled group, to check the effectiveness of a drug on their memory.
Answer:
RETROACTIVE INTERFERENCE
Explanation:
There are two kinds of retroactive interference. Proactive and retroactive. Janice falls under the proactive category. Proactive interference suggests that previously learned skill affects a new skill. Having learned French in the morning, she could not effectively articulate the Spanish that was learned in the afternoon.
Answer:
because the river's annual flooding ensured reliable, rich soil for growing crops
Explanation:
