They can greatly effect research and make it worthless. Test-retest reliability is measured by administering a test twice at two different points in time. Those observing patients can often rely too much on a person’s medical history than what is right in front of them. Why is reliability important?? In response to Rory’s comment: thanks for the helpful feedback concerning where I was going with this blog post! Pingback: saludos de cumpleaños a una amiga, That is very interesting, You’re an overly skilled blogger. A study is considered to be reliable if it produces the same results repeatedly. Wow, that’s what I was searching for, what a data! This is because it tests if the study fulfills its predicted aims and hypothesis and also ensures that the results are due to the study and not any possible extraneous variables. 4 Tips That Will Help You Choose The Right Data Centre Provider | TechnoStuffs - The Technology Stuffs, Reliability in Research – Useful Information. That way, people can test, replicate, generalise and develop your hard work. ( Log Out / Reliability indicates measurement precision, reflected in producing similar measurements on multiple occasions. I understand the way you brought depression in as an example to why reliability is so important, as it is up to the discretion of the practitioner to whether the patient is ill or not, but I believe you perhaps could have used the difficulty of diagnosing depression as your main argument rather than validity and reliability. Be aware: The results of an investigation may be reliable, but that does not … Continue reading Reliability So, why is reliability important? If this does happen, it can often make a person worse or even develop the disorder, when they never had it in the first place. However, not all research is reliable. appropriately measure the construct or domain in question), and that they could also reliably replicate the result more than once in the same situation and population. Rarely do If a study is reliable it can have positive implications for other areas of psychology and could be used to improve/aid issues. Therefore, in order for research to be considered reliable it should produce the same (or similar) results if repeated. Also, the reliability of this study extends worldwide and has become an accepted methodology worldwide. At the same time that these fraud and replication issues became prominent, researchers began identifying problems with widely used methodological and statistical practices that might undermine the validity of research findin… to its feature contents. You make lots of good points about the issues with the diagnosis of depression which I found very interesting to read so that could have been your central talking point. They can however be misused or be inaccurate in certain cases. Reliability and validity are both very important in psychology. Reliability is a measure of whether something stays the same, i.e. Validity ensures that an experiment can be… Validity ensures that an experiment can be generalised (external validity) and that it measures what it sets out to measure. Soon after this, attention was drawn to several failures to replicate important findings in the area of social cognition. Kindly additionally talk over with my site =). This could mean that a man who is depressed may be misdiagnosed simply because he doesn’t really show how he feels. This kind of reliability is used to determine the consistency of a test across time. To assume that one persons depression is the same as another is a very risky practice. Either from a person’s responses are consistent, or the general results are consistent. This is because it tests if the study fulfills its predicted aims and hypothesis and also ensures that the results are due to the study and not any possible extraneous variables. No credit would be given to any data from an experiment if the validity of the results was not attempted to be reached at the best ability of the research team. Test-retest reliability can be used to … However, depression is a label we give to a very broad range of symptoms that can effect people in very different ways. Measurement is an important part of the scientific process. This replication involves repeating a research study under exactly the SAME CONDITIONS, using exactly the SAME PARTICIPANTS. Do you know any solutions to help reduce content from being stolen? issue is something which not enough people are speaking intelligently about. It’s important to consider reliability and validity when you are creating your research design, planning your methods, and writing up your results, especially in quantitative research. We can have a hyperlink change arrangement between us. However, where possible it is important to test for reliability as this will improve the standard of the research and determine whether the results could be used to conduct further research. For example, Cyril Burt conducted a study in which he fabricated the results in order to support his theory that intelligence is genetic. It is highly unlikely that both patients would be sharing the same experiences. Thanks for your comments guys I agree that in depression it is very important to view people as individuals because people are exactly that – individual. Is having increased reliability a strength, as it offers support, as it Suggests what the original research is saying is true/correct/accurate as others have found the same. I guess I should start off with the definition of reliability concerning studies within psychology. I think you’re right, I was just concerned with making sure it was research methods related. Reliability is highly important for psychological research. For example, let’s say you take a cognitive ability test and receive 65 th percentile on the test. without a doubt, you’ve hit the nail on the head. Witth havin so much content do you ever run into any problems of plagorism or copyright violation? Mi más sincera enhorabuena tienes un sitio super interesante Gracias por compartir con todos. Reliability addresses the overall consistency of a research study's measure. This allowed the study to be used to develop further research in this field. Not only can the conclusions of a professional provide a problem, but the information given by a patient can also pose a risk with reliability. Also, I’ve shared your site in my social networks. Because of the subject matter studies and heavy involvement of people in psychological investigaton it seems unlikely to me that such a high preference would be placed naturally on being able to generalise reuslts. When doing research it is always important to focus on reliability and validity to ensure that your findings are valid and reliable. A test can be split in half in several ways, e.g. Reliability refers to the consistency of the results in research. Reliability is important in the design of assessments because no assessment is truly perfect. Create a free website or blog at WordPress.com. Reliability is a very important piece of validity evidence. Information from patients is often unreliable due to problems with embarrassment, wanting to be likeable and so on. An example often used for reliability and validity is that of weighing oneself on a scale. Who knows, it could stop you from creating an amazing break through! Reliability refers to the ability to consistently produce a given result. This can cause a huge problem with misdiagnosing patients. There are several ways of testing the reliability of psychological research. Think of reliability as consistency or repeatability in measurements. Reliability is the extent to which a measure gives consistent results. Now i’m very happy that I stumbled across this in my When we talk about employees’ work ethic, we often focus on how to be more productive and efficient with our time and rarely discuss the importance of reliability in the workplace. When you come to choose the measurement tools for your experiment, it is important to check that they are valid (i.e. Reliability is the extent to which a test is repeatable and yields consistant scores.Plus, in order to be valid, a test must be reliable; but reliability does not guarantee validity. October 13, 2011. 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