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Set out how the proposed study helps to close the gap. Show that many authors in the discipline have studied the topic. This can be supplemented with a basic bibliometric count of the number of articles on the topic in recent years. Present statistics that show something about the scale of the problem: e.g., numbers of people affected or the amount of money spent each year on the issue. Justify detailed discussion of specific study: Show that the study is influential and relevant to your study. Describe Specific Study: Set out aim, method, results, and conclusions in sufficient detail to introduce your critique. Draw implications: Summarise what the preceding discussion means for the present research. Sequential Logic: The logic for the sequence including sequential development of ideas and systematic exploration. Journal article or Thesis: Journal articles will tend to be briefer. Word count limitations: Word count limitations will dictate the depth. This partly explains differences in depth between journal articles and theses. Amount needing explaining: The more a second and subsequent differs from the previous or the more it attempts to critique or build on the preceding study, the more information will be needed to explain this. Philip C. Kendall, Jennifer S. Silk, and Brian C. Chu (2000). Introducing Your Research Report: Writing the Introduction, in Guide to Publishing in Psychology Journals. APA Style Manual: For the 5th Edition, see section 1.08. Section 6.02 has a few comments about student theses and lab reports. Jeromy, this was enormously helpful! I usually just gloss over writing introductions, but my students wanted more -- I love the way you broke this out. This content has been done with https://essayfreelancewriters.com!

This is extremely slow. The data does not support the hypothesis, but rather supports the null hypothesis. It was learned, though, how fast a sow bug travels, which was the objective of the lab. It can be concluded from this lab that it would take a sow bug a very long time to travel one mile. The purpose of this investigation was to determine which types of plants and their parts could be used as pH indicators. It was hypothesized that if the pigmentation of a purple azalea flower petals was subjected to different standardized pH solutions, then the petal’s pigment would turn different colors depending upon the pH of the solution being tested. The null hypothesis is that the plant’s parts will not respond to any of the standardized pH solutions. lab report template -14 standards were produced by a serial dilution using two starting pH solutions of 1 and 14 and distilled water.

The azalea petals were soaked in isopropyl alcohol to extract any visible pigment. Using a spot plate, each pH standard was placed in a numbered spot and two drops of the azalea petal extract was added. The resulting colors were recorded ranging from light pink in a pH 1 spot to a deep blue in a pH 14 spot. To determine the validity of the pH test, each of the pH standard spots were tested with pH paper. Since the colors changed, when the flower petal pigments were subjected to each of the different pH standard solutions, the hypothesis was supported by the data. This experiment uses plant pigments and tests them to see if they are good pH indicators. The hypothesis was that if a carrots pigment were removed and tested with a range of pH solutions, then it would prove to be a good pH indicator. The null hypothesis is that the carrot pigment will remain unchanged when tested with the various pH solutions, therefore indicating that the carrot’s pigments are not good pH indicators.

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Isopropyl alcohol was used to extract pigment from two grams of ground up carrot. The pigment was yellow. Then, using 14 numbered test tubes; 9ml of distilled water was put in all test tubes except one and 14. In number one, 10ml of HCl was put in, and 10 ml of NaOH was put in number 14. Then a serial dilution was performed going from one to six and then 14 to 8. This provided pH solutions ranging from a pH of one to a pH of 14. Then a spot plate was numbered and a few drops from each numbered test tube were put in the corresponding spot on the spot plate. Next, a few drops of the carrot pigment were placed in each spot of the spot plate. The color change was then observed. This experiment supported the null hypothesis because the experiment showed that a carrot is not a good pH indicator. All of the solutions in each spot plate remained yellow. You will be assigned to write either a Formal or an Informal lab report. ALL of the following PARTS must appear in a formal lab report.