(1) Sentences with three clauses (or else three separate sentences). (2) Sentences containing an absurdity. (3) Sentences which omit one of the key words. (4) Silence, due ordinarily to inability to comprehend the task. Group 1 includes 78 per cent of the failures; group 2, about 12 per cent; and group 3 and 4 about 5 per cent each. Samples of group 1 are: "There was a boy, and he bought a ball, and it fell into the river." "I saw a boy, and he had a ball, and he was playing by the river." Illustration of an absurd sentence, "The boy was swimming in the river and he was playing ball." (b) _Work, money, men_ _Satisfactory_:-- (1) Sentence with a simple subject and simple predicate (including 75 per cent of 116 satisfactory responses); as: "Men work for their money." "Men get money for their work," etc. (2) A complex sentence with a relative clause (12 per cent of correct answers); as: "Men who work earn much money." "It is easy for men to earn money if they are willing to work," etc. (3) A compound sentence with two independent, coördinate clauses (13 per cent); as: "Men work and they earn money." "Some men have money and they do not work." _Unsatisfactory_:-- (1) Three clauses; as: "I know a man and he has money, and he works at the store." (2) Sentences which are absurd or meaningless; as: "Men work with their money." (3) Omission of one of the words. (4) Inability to respond. (c) _Desert, rivers, lakes_ _Satisfactory_:-- (1) Sentences with a simple subject and a simple predicate (including 84 per cent of 126 correct answers); as: "There are no rivers or lakes in the desert." "The desert has one river and one lake," etc. (2) A complex sentence with a relative clause (only 2 per cent); as: "In the desert there was a river which flowed into a lake." (3) A compound sentence with two independent, coördinate clauses (11 per cent); as: "We went to the desert, and it had no rivers or lakes." (4) A compound, complex sentence (3 per cent of all); as: "There was a desert, and near by there was a river that emptied into a lake." _Unsatisfactory_:-- (1) Sentences with three clauses (40 per cent of all failures); as: "A desert is dry, rivers are long, lakes are rough." (2) Sentences containing an absurdity (12 per cent of the failures): as: "a desert is dry, rivers are long, lakes are filled with swimming boys." "The lake went through the desert and the river." "There was a desert and rivers and lakes in the forest." "The desert is full of rivers and lakes." (3) Omission of one of the words (40 per cent of the failures). (4) Inability to respond (8 per cent).