Computers are now essential in many areas of life – modern banking, retail, and information exchange among others. However, this is not true for education. At a simple level, some subjects may be better taught using computers, but to explain important concepts, a human teacher is still indispensable.
There are some subjects in which a computer can be used successfully to teach. Elementary mathematics, elementary language learning and any area which requires a student to memorise basic facts through repetition are well suited to computer learning. The computer can be programmed to provide an endless number of simple questions, and as the student answers these questions, the facts are learned and reinforced.
However, in the learning and practice of more complex ideas, the computer is not adequate. A computer can evaluate an answer as right or wrong, but it cannot determine why. It cannot find out why a student is making mistakes and then represent important concepts in a different way so the student will understand. It cannot determine at what stage in a mathematics problem the student has made an error; it can only indicate that the final answer is wrong. Tasks involving reasoning cannot be taught by computers, as there are too many variables for a computer to deal with successfully. In all these cases, a human teacher seems indispensable in class.
Thus, while computers may be useful as a tool for practising simple skills, they are not an essential feature of modern education, because they cannot monitor a student’s grasp of concepts nor evaluate a student’s reasoning. Until further developments in computers are made, the human teacher will remain indispensable.
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Attribute Value Ideal
Final score: 6.5 out of 9
Category: Good Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 14 15
No. of Words: 272 350
No. of Characters: 1383 1500
No. of Different Words: 150 200
Fourth Root of Number of Words: 4.061 4.7
Average Word Length: 5.085 4.6
Word Length SD: 2.812 2.4
No. of Words greater than 5 chars: 109 100
No. of Words greater than 6 chars: 86 80
No. of Words greater than 7 chars: 63 40
No. of Words greater than 8 chars: 39 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 19.429 21.0
Sentence Length SD: 7.365 7.5
Use of Discourse Markers (%): 0.5 0.12
Sentence-Text Coherence: 0.34 0.35
Sentence-Para Coherence: 0.551 0.50
Sentence-Sentence Coherence: 0.059 0.07
Number of Paragraphs: 4 5