00:01
So this question asks you to identify the following item as primary or secondary literature.
00:11
So let's say what is primary literature.
00:24
Primary literature, basically there are original research document.
00:31
So original material created at a time of the event.
01:01
Or it's by someone directly involved it.
01:26
So in our case, the primary literature will be, first of all, dissertation.
01:44
Disertations, they are original research documents, typically writing written by student who actually present all the new finding and data.
01:53
So this is a primary literature.
01:55
This is being created by someone who actually directly involve it at the time of the event.
02:01
And others, such as the journal, ecology.
02:15
So this published original research article which is written by the author.
02:21
The author generate all the data at the time of an event directly involved generating data.
02:27
The same with vaccine if it's viewed as a journal and also science.
02:41
So these journals, they are all consider as the primary literature because these are original materials that are created by the author who actually directly involved in generating the data and create the time of the event which is publication.
03:02
Now what is the secondary literature? the secondary they are interpretations, let's say analysis or evaluation of primary sources...