Write an appraisal of approx 2000 words, critically


This essay presents an assessment of the paperInvestigation into different skin conditions in certain businesssby Packhamet Al.( 2005 ) . The assessment critically reviews the extent to which the writer ( s ) have set clear aims, used appropriate methodological analysiss and have come to an appropriate decision. Of peculiar involvement is whether there is any bias nowadays in the methodological analysis, and consequences, given that there is a possible struggle of involvement with the writers, whether the mentions are balanced, or all supportive of the findings, and why the sample size, and group, chosen was selected. The essay ends with a treatment of what the possible part of this work will be to Occupational Health and Safety pattern?


The first measure, when reviewing the paper, was to give a first, general, read through of the paper. A more elaborate read through was so undertaken, in order to analyze the methodological analysis utilized within the class of set abouting the research for the paper, in footings of the experimentation performed and the analyses of the consequences gained, and the decisions drawn from these experiments.

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The declared purpose of Packhamet Al.( 2005 ) was to set up the extent to which abnormally dry tegument is common in certain businesss, due to the working conditions present within that business. In footings of the voluntaries selected, 132 voluntaries were tested, 110 of whom were female, 22 males. Ages were from 16 to 55 with a mean of 26 old ages. In footings of the businesss of the 132 voluntaries, 38 were office workers, 32 were hairstylists, 42 were nursery workers and 20 were providing staff.

In footings of the methodological analysis used with the Packhamet Al.( 2005 ) paper, outer tegument bed wet degrees were taken from voluntaries from each of the occupational sectors being tested, utilizing the Corneometer system from Courage and Khazaka electronic GmbH. Three measurings were made of outer tegument bed wet degrees, at different locations on the upper facet of the volunteer’s dominant manus. The consequences of these measurings were averaged to give an overall measuring for skin wet degrees per voluntary. The manual for the system indicates that readings between 40 and 60 indicate usually hydrated tegument ; between 31-40 indicates dry tegument ; 25-30 indicates really dry tegument and below 25 indicates highly dry tegument. The same voluntaries besides filled out a questionnaire, and a ocular scrutiny of the tegument was performed.

There are many questionable patterns in the methodological analysis as given in this Packhamet Al.( 2005 ) paper: there were, overall, really few persons included in the study, and uneven Numberss of voluntaries from different businesss. We have, as a reader, no thought of the existent age of each participant, which, given that skin wet degrees are expected to alter with age, leaves any consequences that are gained with a inquiry grade above them. For illustration, if all of the office workers sampled were, on norm, older than all of the nursery workers, so one would anticipate, as a factor of the older age of this sample, to happen dry tegument in this sample. This could be a possible confounding variable in the consequences that has non been considered in the text of the paper, and which, hence, we can non be certain, as a reader, if the writers considered this as a possible defect in the methodological analysis at all.

In add-on, small justification is given for the usage of the skin hydration mensurating system, and so the reader has no manner of cognizing if this system is so the best system for mensurating skin hydration degrees. In add-on, it is mentioned that a ocular appraisal is conducted of the custodies of the voluntaries: nowhere in the text does it advert if this ocular appraisal was conducted by the same individual each clip, for each person, or whether different single research workers conducted the ocular appraisals across the sample of voluntaries. Whilst coloring material charts and formal medical texts must hold been used – we assume – to guarantee consistence in the comparings, if different persons were carry oning these ocular appraisals, there could be error introduced in the consequences of these ocular appraisals merely through human mistake or differences in sentiments of what constitutes a ‘skin problem’ between different research workers. As this possible defect in the methodological analysis is non mentioned, we, as a reader, have no manner of cognizing if such mistake was introduced in to the ocular appraisals, and, as such, we have to accept, merely carefully, the consequences presented.

In add-on, a questionnaire is mentioned, but no further inside informations are given of this questionnaire. We, as readers, have no manner of cognizing if the questionnaire encouraged biased responses by inquiring ‘pointed’ inquiries, and so, once more, the consequences of the questionnaire have to be approached with cautiousness. Normally, when one reads of questionnaires being used in a research paper, particularly for medical-type research, the questionnaire type is mentioned ( i.e. , “a modified hurting graduated table was used” etc ) , or if the type of questionnaire is non mentioned, the questionnaire is given as an Appendix or the consequences are given separately, alongside the inquiry, so that the readers can judge for themselves whether the signifier of the questionnaire itself introduced prejudice in to the consequences gained.

Therefore, whilst the methodological analysis seems simple plenty and is presented in an accurate, succinct, mode, the methodological analysis has many possible defects that need to be taken in to consideration when looking at the consequences and when measuring the decisions of the paper, as drawn by the writers.


In footings of the consequences gained from the 132 voluntaries, the skin wet readings ranged from 15 to 76, with a mean of 37. In the questionnaires filled out by the voluntaries, forty three per cent of voluntaries reported holding had, or holding, some skin disease, which was highest in the hairstylist voluntaries, with 50 six per cent of the hairstylists describing some signifier of skin disease. Fifty per cent of office workers reported skin disease, along with 30 six per cent of nursery workers and 20 five per cent of providing workers.

In footings of the consequences of the ocular appraisal, tegument jobs were evident in 40 five per cent of nursery workers and providing workers, with 40 one per cent of hairstylists and 13 per cent of office workers demoing some marks of skin upset. Those single voluntaries showing with some signifier of skin disease on the ocular appraisal by and large had a lower mean skin wet degree than those persons non demoing marks of a skin disease.

The consequences subdivision announces that the questionnaire collected information on the usage of baseball mitts when working with chemicals, at place and at work, and revealed that the huge bulk of voluntaries did non utilize baseball mitts in either state of affairs. Office and nursery workers used baseball mitts more than the other businesss, although it was found that the high usage of baseball mitts amongst nursery workers wad due to the fact that nursery workers are required to utilize baseball mitts when altering diapers.

The questionnaire, as revealed in the consequences subdivision of the paper, besides asked about the usage of demulcent picks, and it was found that, across all businesss, most workers do non utilize demulcent picks at all, and, when they do, it is merely when their tegument ‘feels dry’ .

As predicted, there are many possible jobs with the consequences gained. As declared, we have no manner of objectively measuring these consequences, as we have no manner of cognizing how age, or sex, as a variable, affects the consequences obtained. For illustration, older voluntaries are more likely than younger voluntariesper Seto hold dry tegument, and therefore to hold skin jobs, as many tegument jobs are associated with dry tegument. As for the usage of creams, this could be a massively confusing variable: in general, hairstylists, for illustration, might be more likely to utilize creams, as a whole, than office workers, for illustration, due to the fact that they work in a beauty industry and are more likely to care about their custodies ‘not acquiring old’ . Obviously, the usage of creams would skew the consequences gained, as this would diminish the likeliness of happening dry tegument when tegument wet degrees were tested. As this is non mentioned anyplace in the text, we, as a reader, have no agencies of measuring if this is, or is non, a confusing variable in the consequences. In add-on, female voluntaries are possibly more likely to utilize creams than males, yet because we do non cognize the sex of single voluntaries, and this information is non mentioned as a confounding variable, we have no manner of cognizing whether, for illustration, all of the people who use creams are female, and, in bend, whether all of these are hairstylists. Sexual activity and usage of creams are hence two confusing variables that are nowhere accounted for in the methodological analysis or analysis subdivisions.


A t-test was used to find if, overall – utilizing the mean of the skin wet degree measurings – the skin wet degrees of the voluntaries was drier than that of the ‘normal’ population. The consequences of this trial are presented on a per-occupation footing, and showed that all voluntaries, across all businesss, had drier tegument than a ‘normal’ population. Whilst the trial used to give these consequences, a two-sample t-test, was the right trial, the usage of a ‘normal’ population is confounding. No description is given of this ‘normal’ population, and so we, as readers, have no manner to cognize which population was chosen to give a figure for ‘normal’ nor, so, how this population was tested. Be this population tested utilizing the same equipment, by the same research workers, and if so, how was ‘normal’ defined? As a individual who does non work, given that business is a factor of involvement in footings of bring forthing skin conditions and waterlessness ; if so, even people who do non work expose themselves to possible skin-drying activities, such as utilizing a computing machine or rinsing dishes. Therefore, we have no manner of cognizing what ‘normal’ population was used, and what skin waterlessness degrees could be expected in this normal population, nor what sex this ‘normal’ population was, nor whether this ‘normal’ population uses a higher degree of creams than the voluntaries. The thought of showing a trial such as this in the consequences of rather a high profile academic paper is pathetic! The consequences can non perchance be verified, and could non be repeated, and are laced with so many confusing variables, and so confounded farther by a deficiency of clear definition of the writers ‘normal’ population that the consequences can be expected to hold small cogency overall, as they can non be read or taken with any grade of certainty.


The predating text has shown the many and varied jobs with the methodological analysis, consequences and decisions of the research. Possibly, really, even the whole thought for the research is flawed: as the writers point out in their Discussion subdivision, “Inter-individual factors are a major component. Significant fluctuations occurred in each occupational category” . Following on from this, they do acknowledge that ocular appraisal is, at best, an unsure index of overall skin status, but do non travel on to advert any of the other jobs built-in in their research. Therefore, it can be concluded that the consequences, as presented, have small value, if any at all.

In add-on to the jobs stated, the fact that the writers are advisers at a private company, EnviroDerm Services, is besides questionable and is an obvious struggle of involvement. Normally, diaries have policies about struggles of involvement, and, at minimal, note possible struggles of involvement within the paper. A hunt of this journal’s web site reveals no guidelines about struggles of involvement, and no reference is made of this within the paper. Aside, hence, from the unscientific methodological analysis used, there is an obvious, unexpressed, struggle of involvement between the authors’ business and the research presented. The Discussion of the paper clearly provinces, and implies, several times, throughout the Discussion and Conclusion subdivisions, “There is a demand or more instruction to raise awareness…the necessitate for equal skin care, and…when to utilize gloves” . That the paper, which is basically flawed in footings of its methodological analysis, and that the consequences gained can non be given any cogency, and that the writers so points this out, whilst running a concern which, “prevents damage to wellness from workplace tegument exposure” ( EnviroDerm Service, s 2007 ) is entirely unacceptable. The paper should non, given a right reappraisal process, have been published, even less so in a diary of the Royal Society, a supposed bastion of honorable scientific discipline.

EnviroDerm Services, 2007. Dermatologic technology: assisting concerns stay successful. Available from hypertext transfer protocol: //www.enviroderm.co.uk [ 11ThursdayNovember 2007 ] .

Chris Packham, Helen E Packham, Hilary M Packham, and A. Cherrington, 2005. Investigation into different skin conditions in certain businesss.The diary of the Royal society for the Protection of Health125, pp.181.

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