You are writing a research paper about the latest discoveries in cancer treatment. which of the following are “red flags”, or signs, that a source may not be valid or credible? select all that apply. the source is published on a personal blog. the author does not have a background or education in the field. the primary source is a scientific medical journal. the author is a well-known member of the medical community. the source is from the early 1900s.

Explanation:

For a research source to be valid it needs to pass credibility and for this, it is necessary that this source has scientific substantiation proven by a professional with academic training in that area, in this way it is perceived that a research source is not reliable if it comes from a personal blog, or a person with no academic background, or academic background in a different area.

In addition, science and technology change over the years. For this reason it is necessary that the search source be recent. A research source 100 years ago is not valid because it has been 100 years of evolution of science and things are very different now.

the answer is c 100% -apex