Answer:
By averaging the item-difficulty indices for all test items and then dividing by the total number of items on the test.
Explanation:
An item analysis deals with examining of the the response of student of individual test questions. examiners usually have different ways in which they determine the validity of their assessment. the method use to achieve this item analysis is by item-difficulty index and item discrimination index.
determining the validity of student's individual question item is very important as it helps the examiner to know the quality of the whole item and of the test.
The Item-Difficulty Index in the educational field is useful in testing for validity of test question. it is known as the amount or percentage of students who answer the test questions correctly. it is often called P-value. Item-Difficulty has the range of 0-100. the formula is achieve by the number of students who answer a question correctly divided by the total number of students in the class who answered the question(s).
Answer:
Dr. Winkle is most likely a <u>developmental psychologist</u><u>.</u>
Explanation:
Developmental psychology is a field that studies the various changes that occur in the humans during their life. It involves examining the changes in human beings of all age groups. It studies the cognitive, socioemotional and physical development of the human beings which include personality, identity information, language, motor skills, moral understanding, emotional development, etc.
<u>Therefore, Dr. Winkle is most likely a </u><u>developmental psychologist</u><u>.</u>
In the context of the termination act, the government orders on the native Americans resulted in the <u>major economic upheaval for the affected tribes. </u>
Through the Termination Act, the Congress aimed at dislocation of the native American Indian tribes, which means that they were disbanded and their lands were sold off. This came as a reversal of policies from the Self- government era.
The federal government was trying to terminate the special trustee relationship, tribes held with the United States. Although at the face value, this act seemed to be well-intended because it appeared that the federal government was trying to release tribes from federal control yet it affected the native American's rights.
To learn more about Native American tribes, click
brainly.com/question/11553587
#SPJ4
Waves that can travel without a medium to travel through are electromagnetic waves. Please rate! Thank you so much!
