I believe the answer is: a. to enhance credibility
Personal experience would give the readers with a certain level of assurance that the writers at least know what they are talking about.
For example, let's say that there are two authors of a self defense book. The first author has an experience as a president's bodyguard while the second author is a full time web designer. Most people would most likely see the first author as the more credible one.
Answer:
Observational measurement
Explanation:
Observational measurement: In psychological research, it possesses the description and observation of a participant's behavior. The observational measurement is a type of correlational research method in which the researcher observes the ongoing behavior of the participant, and doesn't manipulate anything.
In other words, this is a systematic approach for interpreting and detecting behavior of the participants in a given study under natural contexts.
Example: A survey related to anything.
Felipe, measurement in the classroom best illustrates the observational measurement.
Answer:
The large land was isolated from much of the rest of the world by dry deserts to the north and west
Explanation:
