Answer:retroactive interference
Explanation:
Retroactive interference (retro=backward) , when we learn something new it tends to interfere with what we have learnt initially, this means the new learnt task interferes with the task we have learnt earlier such that we forget the earlier task.
This is more common if our memories have similarities such as learning a new langauge may tend to interfere with the old language that you have learnt.l before.
Having learnt Italy now interferes with the ability to learn Spanish.
Answer:
Its primary purpose is to provide evidence about a suspicious or questionable document using scientific processes and methods
For example if somebody steals money through a check, they can check the signature and see if the signature is forged or not which will help know if the check is real or not.
Explanation:
Its primary purpose is to provide evidence about a suspicious or questionable document using scientific processes and methods. Evidence might include alterations, the chain of possession, damage to the document, forgery, origin, authenticity, or other questions that come up when a document is challenged in court.
Questioned Documents are important in Forensic Science because it can help figure out if a signature is Forged or not. For example if somebody steals money through a check, they can check the signature and see if the signature is forged or not which will help know if the check is real or not.
Whenever a research is done, you must reject or accept a null hypothesis (the one you consider is not correct) or your work hypothesis (the theory you think is must probably accurate or close to the truth) usually, when performing a research, you will not always obtain positive or statistically significant results, that validate your hypothesis. Is actually, not unusual that extremes (or extraordinary results) come out (unexpected for several reasons: incorrect size of the sample, improper selection of the subjects- a bias- lack of correct determination of the variable measured or failure to determine the type of the variable-numerical, categorical, ratio,etc-)
Positive or negative results are yet, results whether they prove or reject your hypothesis. Failing to establish a scientific hypothesis does not necessarily mean that they did something wrong, it just says that the hypothesis tested does not approach correctly to the epistemological truth (ultimately, any research is only a mere approximation to reality). Therefore, when two scientists deny sharing<em> unusual results</em>, they are acting unethically, hiding results that can mean something from a different point of view.
reference
Nicholson, R. S. (1989). On being a scientist. Science, 246(4928), 305-306.
