The principle of unity.—Questions that really teach must follow some plan of unity or continuity. Each succeeding question must grow out of the preceding question and its answer, and all put together must lead in a definite direction toward a clear aim or goal which the teacher has in mind. One of the serious faults of the questions quoted above from the lesson quarterly is that they lack unity and purpose. Each question is separate from all the others. No question leads to the ones which follow, nor does the whole list point to any lesson or conclusion at the end. Such questioning can result only in isolated scraps of information. A series of questions lacking unity and purpose resembles a broom ending in many straws, instead of being like a bayonet ending in a point: and who would not prefer a bayonet to a broom as a weapon of offense!

The principle of clearness.—The good questioner makes his questions clear and definite so that they can not be misunderstood. That this is not always accomplished is proved by the fact that a child who is unable to answer a question when it is put in one form may answer it perfectly when it is asked in different phrasing. The teacher always needs to make certain that the question is fully comprehended, for it is evident that an answer cannot exceed the understanding of the question in clearness.

To be clear, a question must be free from obscure wording. One primary teacher, seeking to show how each animal is adapted to the life it must live, asked the class, "Why has a cat fur and a duck feathers?" Just what did she mean for the child to answer? Did she mean to inquire why a cat has fur instead of feathers, and a duck feathers instead of fur, or did she mean to ask why each has its own particular coating regardless of the other? Another teacher asked, "Why did Jesus's parents go up to Jerusalem when Jesus was twelve years old?" Did he mean to ask why they went when Jesus was just at this age, or did he mean to ask why they went at all, the age of Jesus being incidental? One can only guess at his meaning, hence the answer could at best be but a guess.

Questions to be within the learner's grasp.—If questions are to be clear to the child they must deal with matter within his grasp. These questions are taken from an intermediate quarterly: "Why was the New Testament written? What was the purpose of the book of Revelation? Fit the epistle of Paul into the story of his life. What is meant by inspiration? What are the reasons for calling the Bible the most wonderful book in the world?" These questions are all clear enough so far as their wording is concerned, but they belong to the college or theological seminary age instead of to the intermediate age. While our questions should make our pupils think, they must not go over their heads, for one does not commonly think on a question whose very meaning is beyond his grasp!

Some questions lack definiteness because several correct answers could be given to the question. Here are a few such: What did Paul claim concerning one of his epistles? What did Moses do when he came down from the mountain? What were the priests of the temple required to have? What happened when Jesus was crucified? What of John the Baptist? What about Ruth and Naomi? What did Judas become? No one of these questions asks any definite thing. To answer any of them the pupil must guess at the particular thing the teacher has in mind. Many answers may be given to each question which are as correct and which answer the question as well as the answer the teacher seeks from the pupil. Such questioning comes either from lack of clearness and definiteness in the teacher's thinking, with a consequent uncertainty as what he really does mean to ask, or else from a mental laziness which shrinks from the effort necessary to formulate the question definitely.

Questions should stimulate thought.—Questions should be thought-provoking. Usually it is a mistake to ask questions that can be answered, by a simple Yes or No, though there are occasions when this may be done. For example, children will not be required to think when asked such questions as, Was Moses leader of the Israelites? or Did Jesus want his disciples to keep children away from him? But they will require thought to answer Yes or No to such questions as, Should Esther have asked that Haman be hanged? or, Can God forgive us for a wrong act if we are not penitent?

Leading questions, or questions that suggest the answer, do not encourage thought. To ask, Do you not think that God is pained when we do wrong? or What ought you to say in return when some one has done you a favor? is to leave the child himself too little to do in answering. The alternative question, or the question that simply allows the choice between two suggested possibilities is also fruitless so far as demanding thought is concerned. In a question like, Was Paul a Gentile or was he a Jew? the bright child can usually tell from the teacher's inflection how to answer. In any case he will run an even chance of giving the right answer from sheer guessing.

The order of questioning.—It is a mistake to ask questions in serial order, so that each child knows just when he is to be called upon. This method invites carelessness and inattention. There should be no set order, nor should a child who has just been called upon feel that he is now safe from further questioning. The element of uncertainty as to when the next question will come is a good incentive to alertness. The pupil who shows signs of mischief or inattention may well become the immediate mark for a question, and thereby be tided past the danger point.

Usually the question should be addressed to the entire class, and then a pause of a few seconds ensue before the one who is to answer is designated. Care must be taken, however, not to wait too long between asking the question and calling the name of the one expected to answer, for attention and curiosity quickly fall away, and time and interest are lost and the recitation becomes slow.

The reception of answers.—The teacher's reception of the child's answer is almost as important as the manner of asking the question. First of all, the teacher must be interested in the answer. This interest must be real, and must show in the manner. Not to look into the eyes of the child who is answering is to fail to pay the courtesy due one who is conversing with us; it is not only bad manners but worse pedagogy. The interested, sympathetic eye of the teacher has a wonderful power of encouragement and stimulus to the child, while an attitude of indifference on the part of the teacher is at once fatal to his enthusiasm. One of the besetting sins of many teachers is to repeat the pupils' answers after them. This habit probably has its rise in mental unreadiness on the part of the teacher, who repeats what the child has just said while getting ready to ask the next question. Besides being a great waste of time, the repeating of answers is discourteous, and is a source of distraction, and annoyance to pupils.