Jason studies Spanish for three years, and then switches to Pashto. When asked to remember Spanish vocabulary he can’t, instead he can only remember Pashto vocabulary. This is an example of <u>retroactive </u>interference.
Answer: Option D
<u>Explanation:</u>
Retro active interference means that the individual can not remember the older information that he had learnt because the recent information is acting as an obstacle in recalling the older information.
The new information is a problem which does not let the old information to be recalled. That is why Jason can not recall Spanish which he had learnt three years ago and only remembers Pashto which he had learnt recently. Pashto is acting as an obstacle in recalling the Spanish language.
This is a blind study in which the patient believes he receives a drug but takes a flour pill (placebo). Eventually, the placebo effect improves people's condition because they believe they are on medication. However, the likelihood is much lower compared to who actually receives an active substance that acts to curb the disease.