T . When you refuse to do something its cause you know it is wrong or you dont want to do it to be like everyone else .
True because you sure buy marijuana know it is illegally drugs
Answer:
Opponent-process theory
Explanation:
The opponent- process theory is based on the idea that every time you are going to need a higher amount of something in order to get the same sensation since your body is going to have the tendendy to develop kind of a habit.
Let's say for example that you are scared of something like a snake, at the begining, it's going to be so hard to face the fear and dare to touch one, but after doing it the first time the fear is going to reduce little by little and at the end you will touch them feeling no discomfort or disgust.
In Helena's case the opponent-process is working the other way round, since every time in order to get the same cool sensation she will need a higher quantity of the thing that is making her have those nice sensations, in this case, cocaine.
Answer: d. double-blind
Explanation:
A double blind study can be define as the study in which both the researcher and participant do not know which participant is receiving a particular treatment. This method is useful as it prevents the bias in the results of the experiment.
The given situation is the example of double-blind study. Here, the participants as well as the researcher do not know which group of subject are receiving bacteria in the yogurt and which group is not receiving.
