Other Bachelor Degree-Bachelor of Audiology and Speech Language Pathology 2nd Year Statistics and Research Methods & Epidemiology in Speech and Hearing (Kerala University of Health Sciences-

Q.P.Code: 207015                                                  Reg. No.:…………………

                     Second Year BASLP Degree Examinations -August 2014

              Statistics and Research Methods & Epidemiology in Speech and Hearing

Time : 3 hrs                                                                                     Max marks : 80

• Answer all questions
• Use only ordinary calculators




Essay: (4×10=40)

1. Discuss the various measures of central tendencies. What are the requisites of a good measure of central tendency
2. Explain the properties of a normal distribution. The scores made by candidates in a certain test are normally distributed with mean 500 and standard deviation 100. What percent of candidates receive a score between 400 and 500
3. How to develop a hypothesis in research. Discuss the various types of hypothesis for carrying out a scientific enquiry.
4. Explain briefly about the incidence and prevalence of hearing loss in adults and geriatrics

Short notes (5x5=25)

5. Probability sampling methods
6. Ordinal and nominal scales of measurement
7. Spearman’s rank correlation
8. Sampling error
9. Role of media in epidemiological studies

Answer briefly (5x3 = 15)

10. Students; t test
11. Ogives
12. Mention the characteristics of a good research hypothesis
13. Distinguish between primary data and secondary data
14. Prevalence of learning disability

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