Answer: b) Retrospective measures
Explanation:
Retrospective measures is the approach in which past information and study is used for collecting samples and starting research about same topic.This helps in easy conduction of research with less amount of time.
According to question, anxiety related information in competition of sport team can be known through retrospective measure as it will provide the past data of anxiety states occurring in sports competition.
Other options are incorrect because prospective measure, physiological approach and brain waves are not used for knowing information through past studies.Thus, the correct option is option(b)
<h3>content validity - how well a test measures the behavior for which it is intended</h3>
Example -
<em>A mathematics teacher develops an end-of-semester algebra test for her class. The test should cover every form of algebra that was taught in the class. If some types of algebra are left out, then the results may not be an accurate indication of students’ understanding of the subject. Similarly, if she includes questions that are not related to algebra, the results are no longer a valid measure of algebra knowledge.</em>
Another example is that content validity can be used in a clinical or business setting
hope this helps :)
Answer:
The Tang rulers changed China were the enlargement of China, extension of roads and canals, helping to tie the empire together. Social changes that occurred in China during the Tang and Song Dynasty were a new upper class.
Answer:
6. Internal rebellions of the 12th century caused the Seljuk Empire to begin to fracture from within. By the mid-1200s, only a small sultanate remained in Anatolia (Turkey).
7. Osman sought to expand his territory (inherited from his father), and called for holy war against the weakening Byzantine Empire (which was right on the edge of his territory, making it a natural expansion of his own territory).
Explanation:
Hope this helped!
