Sunday, November 18, 2007

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Step 1: thesis on health topics of low-cost or zero cost


By Anibal Velasquez should not be a problem selecting a thesis topic at universities with professors doing research, because usually in these universities are given resources to do a thesis. In such cases all you have to do is to contact students with a teacher to be the guardian of his thesis.

However, few researchers and universities with limited resources to research the situation becomes difficult, example is the high percentage of students completing a career or a graduate and have no the corresponding title.

This blog is intended for students who can not afford and do not have the assistance of a tutor, in this sense are two low-cost options that can be chosen for a thesis. Although the student will need to check in your college if there is any restriction for this type of research.

Research topics are suggested that can be done with secondary sources

studies

secondary sources are observational studies that examine available databases that were developed by other institutions or researchers. Usually these databases are surveys household or evaluation of services or programs. This group also found that systematic reviews involve the review and summary of results of other investigations. In this case, the investigation begins with the selection of variables and the search for possible relationships of variables that can be investigated in the databases, ie research depends on the available data.

The following thesis suggests some issues related to these studies, likewise, identifies the skills and resources necessary for students to conduct these investigations. These investigations suggested will be developed gradually in this blog.

1. Equity analysis of some health condition or access any service, program or funding

cognitive powers
conceptual and methodological basis of equity analysis


Operating Skills required databases, build variables, handle tools basic statistical analysis in any statistical software. Databases household surveys some geographical area

Resource requirements  Dictionary
code database and questionnaires
 Spreadsheet Gini coefficient (Concentration) and the Lorenz curve (concentration)
2. Analysis of the demand for health services


Cognitive Skills Conceptual and methodological analysis of the demand for health services


Operating Skills required databases, build variables, multivariate analysis tools ( Probit regression, sensitivity analysis)


Resource requirements  Databases household surveys to investigate access to health services  Dictionary
code database and questionnaires
 Guide for the analysis, syntax (SPSS) or the C file (STATA), the spreadsheet
sensitivity analysis
3. Analysis of risk factors for illness or injury

cognitive powers
Conceptual and methodological analysis of risk factors


Operating Skills required databases, build variables, calculation of OR and 95%, use multivariate analysis tools (logistic regression) to adjust the OR


Resource requirements  Databases household surveys to investigate prevalence of illness or injury  Dictionary
code database and questionnaires
 Guide for the analysis, syntax (SPSS) or the C file (STATA)

4. Assessing health impact of programs

cognitive powers
Conceptual and methodological impact assessment through secondary sources


Operating Skills required databases, multivariate analysis using tools and / or multilevel technique Propensity Score Matching and / or analysis of exogeneity


Resource requirements  Bases household survey data to investigate any health conditions and access to services or programs  Dictionary
code database and questionnaires
 Guide for impact assessment

5. Burden of disease study

cognitive powers
conceptual and methodological basis of the estimation of disease burden

know how to estimate the epidemiological parameters for the calculation of DALYs and DALY (incidence rate of disability, age onset, duration of illness). Skills required

Operating
databases and spreadsheets for prevalence or incidence of selected disease. Handle some statistics to estimate the incidence prediction from incomplete data. Managing DISMOD II software to estimate the epidemiological parameters that are not available, and Ges Mor software for the calculation of DALYs and DALY


Resource requirements  Database of services statistics, epidemiological surveillance, mortality , household surveys have assessed the prevalence of selected damage
 Guide for the estimated epidemiological parameters needed to calculate DALYs and DALY
 Tables of coefficients of disability 
DISMOD II software and software  Ges Mor
natural history of disease

6. Systematic reviews of the effectiveness of treatments or interventions in public health competencies


cognitive information search techniques and methodology of systematic reviews


necessary skills Ability to find, systematize and evaluate the quality of published research on effectiveness of interventions or treatments. Ability to do a meta-analysis, using some software (eg Epi-data) Resource requirements


 Internet access and virtual libraries to obtain full articles of selected research
 Guide to Systematic Reviews
 Guide to meta-analysis or indicator for the effectiveness of interventions or treatments

7. Cost-effectiveness of interventions, treatments and health technologies

cognitive powers
conceptual and methodological basis of cost-effectiveness through secondary sources. Information retrieval techniques and methodology of the reviews
systematic

necessary skills Ability to search, organize and evaluate the quality of published research on the effectiveness of interventions or treatments
capacity to make a meta-analysis, using some software (eg Epi-data) Ability to
a cost analysis (optional in case there is a cost study that is evaluating treatment)


Resource requirements  Internet access and virtual libraries to obtain full articles of selected research
 Access to information costs of the intervention or treatment to be evaluated (if any)
 Guide to Systematic Reviews
 Guide to
cost estimates  Guide to meta-analysis or indicator for the effectiveness of interventions or treatments
 Guide to the cost-effectiveness analysis 
Sheet calculation for the cost-effectiveness and sensitivity analysis


Thursday, November 1, 2007

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Step 1 . Thesis problem selection


By Anibal Velásquez

This step is the main barrier to doing a thesis because, in general, the student intends to make a complex investigation to discover something that nobody will have occurred. Others claim that the thesis students solve problems in the services or the health system and some think it's a chance to be famous.

is important to note that this level of demand is oversized, since it is very common that the student does not have financial resources nor the time to make his thesis. This stage is strongly influenced by the availability of resources. It is better to accept that the thesis is an academic requirement for the degree and often has to choose a research topic than just feasible.

Skills required in this step:

1. Cognitive

The student must know information search techniques and learn how to identify variables and define the relationship of variables to be investigated. It is a time to learn has to ask questions and formulate hypotheses. Also, need to have information on viable dissertation topics in the area of \u200b\u200bexpertise and the resources needed and available to do a thesis.

2.

Skills Students should be able to read English scientific information, communicate with researchers and seek relevant information to choose the thesis topic. Also, be prepared to make the information obtained is converted into variables and relationships of variables.

The student should be able to present their research ideas in terms of variables and hypotheses. An important skill is to be able to find the resources to do research.

3. Attitudes

The student must be willing to make a viable research therefore be prepared emotionally to choose a topic that does not necessarily satisfy.

Resource requirements: §

Advisor (not mandatory, but much easier if the adviser is a researcher with a research and available data)
§ Funding (Required but not essential. There are research topics that can be done without funding)
§ Data from secondary sources (many theses can be performed using databases from other studies or surveys. Important decisions are based on analysis of sources secondary)
§ Examples of research (it is essential to have a finished model of research to be chosen for the thesis. Do not begin the investigation but has a full idea what is going to conclude its investigation)

Photo: Rodin's The Thinker Museum in Washington. Credit: Anibal Velasquez

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How to do a thesis? How

Anibal Velásquez

For This Blog, step by step methodology to develop a thesis based on DISCOVERMIC phone [1]

8 Steps to develop a thesis

Step 1.
problem selection Step 2. Project formulation
Step 3. Search
resources Step 4. Collection and data preparation
Step 5. Analysis
Step 6.
interpretation Step 7. Written report of the investigation
Step 8. Presentation and support of the thesis

The key to success lies in step 1 because here we define the feasibility of carrying out a thesis.

[1] Anibal Velásquez. DISCOVERMIC. Media Guide for research in health sciences. Lima, Peru

Photography: Beach in Punto Fijo, Venezuela. Credit: Anibal Velasquez