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: continuous schedule and switch later to partial schedule (variable ratio)
Explanation: reinforcement schedule can be said to be guidlines or rules that govern how, when a behavior should be expressed. It determines the rate of occurence of a target behavior, how it will happen, strengthens it and even when it will continue or stop.
There are 2 types of reinforcement schedule. Which is continuous and partial schedule. The continuous reinforcement schedule tend to use the positive reinforcement strategy. It rewards for a particular behavior is on a continuous basis. Everytime a target behavior is expressed, the person or animal is rewards. The partial reinforcement schedule is of four type and the best for this kind of behavior after switching from continuous reinforcement schedule is the variable ratio schedule. Here a behavior is rewarded variably. The person does not know when the reward will come and so he continues to portray that behavior expected of him or her. It's the best type of schedule when switching from continuous reinforcement schedule.
Answer:
Explanation:
They had to pay high taxes to the king. They felt that they were paying taxes to a government where they had no representation. They were also angry because the colonists were forced to let British soldiers sleep and eat in their homes.