Concept Duration and Introduction Assessment

What is the primary concept introduced in the first section?

• Concept 'y'

• Concept 'a'

• Concept 'b'

• Concept 'e'

Which concept is further elaborated in the second section?

• Concept 'e'

• Concept 'x'

• Concept 'y'

• Concept 'z'

What is the duration of the second section?

• 2000 milliseconds

• 3000 milliseconds

• 4000 milliseconds

• 5000 milliseconds

Which concept is introduced in the third section?

• Concept 'y'

• Concept 'z'

• Concept 'x'

• Concept 'e'

What is the duration of the third section?

• 5000 milliseconds

• 2120 milliseconds

• 3000 milliseconds

• 4000 milliseconds