Ask Question, Ask an Expert


Ask Homework Help/Study Tips Expert

Section A-Descriptive problems

Answer all problems briefly.

problem1) a) Briefly describe with the help of an ex the various activities of the research process.

b) What do you understand by the terms-Level of Significance and Power? Discuss their relevance in sample size determination.

problem2) a) With the help of a flow chart, classify the various research design’s available in epidemiological research.

c) Differentiate the following research designs, giving suitable exs.

(i) Analytic study – Descriptive study

(ii) Observational study - Experimental study

(iii) Case – Control study-Intervention study

(iv) Single blind study – Double blind study

problem3) a) What is meant by sampling? With the help of an ex, describe the concept of random sampling, stratified sampling, cluster sampling and purposive sampling.

b) Name the different types of tools available for data collection while undertaking research.

problem4) a) Given here are the scores of 20 student who took the practical course in nutrition.

57, 60, 64, 67, 67, 62, 61, 63, 70, 72

73, 70, 76, 76, 75, 70, 80, 80, 78, 78

For these scores present:

i) The frequency distribution and cumulative frequency distribution.

ii) Frequency polygon

b) Enumerate the graph you will prepare for the following, giving their advantages

i) Nominal or ordinal data

ii) Establishing relationship between two variables

problem5)a) Describe the concept of normal probability distribution.

b) List one mortality measure for assessing the health status of children in a community. How would you measure them? Indicate.

c) Consider the following bi variate data:

Infant outcome                 Weight gain during pregnancy                Total
                                                 < 8 kg                   > 8 kg
Dead                                        150                          50                  200
Alive                                         450                         300                   50
Total                                        600                          350                 900
Based on the data

(i) Compute the relative risk of infant death with weight gain of less than 8 Kg during pregnancy;

(ii) Compute the odds of dead children being born to pregnant woman with weight less than 8 Kg.

problem6)a) Given below are the haemoglobin level recorded for 10 subject in a community study:

9.8, 7.4, 10.3, 12.2, 12.5, 8.5, 9.0, 10.0, 11.0, 12.0

Calculation the mean, standard duration and variance for the haemoglobin levels reported above.

b) Given below one the theory and practical marks for 10 student on a nutrition course.

Theory marks:  46, 55, 52, 59, 63, 47, 56, 50, 51, 55

Practical marks: 41, 49, 54, 45, 58, 40, 45, 47, 44, 47

Establish, whether there is a degree of relationship between theory and practical marks.

problem7) a) The nutrition score of 7 males and 10 girls students of MSc. DFSM programme is given herewith:

Males:     11, 15, 14, 13, 13, 12, 13

Females: 09, 16, 14, 20, 13, 10, 12, 13, 12, 09

Based on the data given herewith.

(i) Compute standard error of the difference between means of the two groups, and

(ii) Test importance of the difference between the mean nutrition score of males and females at 0.05 level of significance.

b) Differentiate 2 tailed and one-tailed tests of significance.

problem8)a) The following table demonstrate the number of males and females who are anemic and non-anemic in the research study.

Subject           Anemic                Non-anemic                        Total

Male                  09                          43                                   52
Female              44                          04                                   48
Total                 53                           47                                  100

Test whether there is a relationship between anaemia and sex status in the population under study. Test at 05 level of significance.

b) Define and describe the concept of confidence interval and degree of freedom with the help of an suitable ex.

Section B-OTQ (Objective Type problems)


Describe the following in 2-3 sentences.

i) Cohort study

ii) Discrete variable

iii) Null hypothesis

iv) Beta error

v) Clinical trial

vi) Quasi experimental design

vii) Nominal scale

viii) Validity

ix) Mode

x) O give

problem2) Differentiate the following sets of terms.

i) Percentile and Quartile

ii) Sensitivity and Specificity

iii) Mean and Median

iv) Descriptive Cross-sectional study and Analytical Cross-sectional study

v) Parameters and Statistics

Homework Help/Study Tips, Others

  • Category:- Homework Help/Study Tips
  • Reference No.:- M92511
  • Price:- $70

Priced at Now at $70, Verified Solution

Have any Question? 

Related Questions in Homework Help/Study Tips

Questionas an advanced practice nurse apn it is essential

QUESTION: As an advanced practice nurse (APN), it is essential to understand your medicolegal responsibilities as they relate to coding the services you provide to patients. Improper coding, undercoding, or overcoding ca ...

This course has provided you with a foundational knowledge

This course has provided you with a foundational knowledge of forensic psychological assessment. Successful integration of your skills is a significant aspect of this course. Throughout this course, you have learned abou ...

Diagnosing the changeselect a diagnostic model see chapter

Diagnosing the Change Select a Diagnostic Model (see Chapter Five) that you utilize to review aspects of change activities and actions that have been taken by the companies chosen. Here we are looking at the "parts" of t ...

Student will select one psychological disorder described in

Student will select one psychological disorder described in the course textbook, Psychopathology: Foundations for a Contemporary Understanding, 3rd edition (Maddux & Winstead, 2012). addressing the following points: 1. T ...

Assignment discussion-nature versus nurturethe term gender

Assignment : Discussion-Nature Versus Nurture The term gender has been used in the field of social science to define the line between biological and social differences. Popular culture has transcribed these differences i ...

1 the public response to excessive drinking has been a mix

1. The public response to excessive drinking has been a mix of two general approaches: 1. Directly reduce drinking + restrict availability/raise prices 2. Indirectly reduce drinking + increase availability 3. Directly re ...

Theories of crime causationfor this assignment you will be

Theories of Crime Causation For this Assignment, you will be examining the major theories of crime causation. Write a minimum of 5 pages supporting why crime occurs according to certain theories. Select at least two theo ...

Having an understanding of corporate culture and the

Having an understanding of corporate culture and the variables that impact it, how would you characterize an ethically effective culture, one that would effectively lead to a profitable and valuable long-term sustainabil ...

Elements of critical thinking- discussion 1prepare in

Elements of Critical Thinking- Discussion 1 Prepare: In preparation for discussing the importance of critical thinking skills, please read the following articles: Critical Thinking and the Challenges of Internet and Comm ...

Using the lp problem in the text shown in example run a

Using the LP problem in the text shown in Example, run a linear program to find the following: 1. The coal unloading machinery at plant 2 is going to be taken out for maintenance for 1 week. During the maintenance work, ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen