Which of the following is/are the disadvantages of essay tests? 1. It has low validity and reliability 2. It is difficult to correct or score 3. It is time consuming 4. It encourages bluffing * A. 1...

Which of the following is/are the disadvantages of essay tests? 1. It has low validity and reliability 2. It is difficult to correct or score 3. It is time consuming 4. It encourages bluffing * A. 1 and 2 only B. 1 and 3 only C. 1,2 and 3 D. 1,2 3 and 4