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Research Methods

This category contains 6 posts

6) Inferential tests

After conducting research we must test whether the results we have found are ‘significant’. To do this we use several different tests, dependant on the type of data and experimental design. The four tests are Chi², Spearman rank coefficient, Mann-Whitney ‘U’ test or the Wilcoxon ‘T’ test. How to select which test to use There … Continue reading

5) Ethical issues in research

Ethical considerations in psychological research When conducting experiments with humans there are several strict guidelines researchers must follow: Deception – a participant must not feel like he has been deceived, this can be dealt with using consent or a debriefing Right to withdraw – The participant must know they can withdraw from the experiment at … Continue reading

4) The organisation of research

Research reports that are submitted to scientific journals tend to contain these 8 sections: Title – Outlines what you have investigated Abstract – This is a brief summary of the whole study, giving a short overview of what all the other sections will later cover. Similar to an APFC. This will be written at the end but … Continue reading

3) The role of peer review

The most common way of validating new knowledge is peer reviewing. Peers are professionals in the same field as the psychologist or scientists whose work is being reviewed. The Parliamentary Office of Science and Technology (2002) said that peer reviews serve 3 main purposes: 1)      Allocation of research funding – Research is paid for by … Continue reading

2) What is Science?

What is a science? ‘Science’ is finding out more about the world, through observation and testing. There are several key features of a science, and without all these something cannot be considered scientific: Empiricism – Information is based upon research and findings. Objectivity – Scientists should remove their opinions and beliefs from the research, so … Continue reading

1) Research Methods Course Outline

1) The application of scientific method in psychology The major features of science, including replicability, objectivity, theory construction, hypothesis testing, the use of empirical methods  Validating new knowledge and the role of peer review 2)  Designing psychological investigations Selection and application of appropriate research methods Implications of sampling strategies, for example, bias and generalising  Issues of … Continue reading