Complex sentence: The majority of test items are written at the application or higher levels of cognition, but the exam may include items at all of the cognitive levels; examples of cognitive level include memorization or recall, knowledge, analysis and application.
Split into simpler sentences: The majority of test items are written at the cognition level of application or higher, but the exam may include items at all cognitive levels. Examples of cognitive level are memorization or recall, knowledge, analysis and application.