Observing a Single Chemical Reaction Qualitative vs. Quantitative Observations Abstract: The purpose of this experiment is to help you sharpen your observational skills. The aluminum foil was found to rust in the water containing the dissolved Copper Chloride (CuCl₂) crystals. The results of the experiments were determined through close examination and observation of both qualitative and quantitative elements of the changes that occurred when a blue crystal‚ Copper Chloride‚ reacted with aluminum
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This is a qualitative study conducted at the University of Texas Health Science Center at Tyler as a randomized controlled trial to determine the effectiveness of a lifestyle behavioral intervention to increase physical activity among patients with moderate to severe COPD. (Wortz‚ K. 2012) 54 patients of age 45 or older were randomly selected from April 2010 through January 2011 using a patient registry database with a coded diagnosis of COPD along with physician referrals. Data collection consisted
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and easily obtained‚ but has the serious disadvantage of not being produced by sociologists. Both primary and secondary data can be quantitative or qualitative in form. Qualitative data Any data used for sociological purposes‚ whether derived from primary or secondary sources‚ can be described as qualitative or quantitative in form. Qualitative data deals directly with people’s experiences‚ as well as their feelings about‚ and interpretations of‚ the situations they find themselves in. Interpretive
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QUALITATIVE TESTS OF CARBOHYDRATES Final Lab Report Submitted by Brittany Fitzgerald 545301 Prepared for Nancy Cook Chemistry 3501 Monday November 26‚ 2012 RESULTS PART A: As a result of the Benedict’s test on various sugar solutions‚ it was found that galactose‚ mannose‚ arabinose‚ ribose‚ lactose‚ fructose‚ maltose‚ and cellobiose tested positively and therefore are considered reducing sugars. Glucose‚ starch‚ sucrose‚ and methyl-D-glucopyranoside on the other hand tested
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1. Introduction Environmental factor is one of the most important elements that affect heavily on the development of enterprises or industries. At the same time‚ strategies of production and management are also significant. Therefore‚ it is necessary for companies to analyze those factors and put forward appropriate strategies for further development. There are many practical analytical models for corporate to apply to. This passage mainly explains how CRH‚ an international building materials company
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Exercise 14: Qualitative Anion Tests PURPOSE: The purpose of this experiment is to identify some commonly occurring anions & to study some of the reactions used for their identification. PROCEDURE: You must first determine to which of the three groups the various anions belong. Since no two people observe the same event in exactly the same way it is important to also conduct specific confirmation tests on the known samples of each anion. This information will help identify the anion
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The examples I have chosen for qualitative and quantitative questions are as follows: Qualitative: Are you taking classes in college to obtain your degree? Yes or No - This is an example of a nominal scale and would help define a person’s reason for going to college. One would assume the answer to be yes‚ but a no answer might indicate that a person is taking a class for a specific reason or for enjoyment. How would you rate your chances of getting a promotion after obtaining your degree (Excellent
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An Introduction to Qualitative Analysis Purpose: Tests the ions of Mg2+‚ Ca2+‚ Sr2+‚ and Ba2+‚ and identify them separately. By using these observations‚ identify the unknown ion. Then tests the ions of SO42-‚ CO32-‚ Cl-‚ and I-‚identify them separately‚ and use the observation to identify the unknown. Procedure Part I - Qualitative Analysis of Group 2 Elements Mix 0.02M K2CrO4 with each Mg(NO3)2‚ Ca(NO3)2‚ Sr(NO3)2 and Ba(NO3)2 together. Secondly‚ mix 0.1M (NH4)2C2O4 instead
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they engage in playful social interactions base in joint attention and their joint mutual social skills. As their belief of joint attention facilitated the infants to communicate with adult and each other‚ sharing what is in their mind. This qualitative research study is done in the university- affiliated child care centre in New York City. They observe the children from infant room‚ between the age of nine months to 25 months. there are eight children in the room and the research is focused on
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A Qualitative Article Critique: Older Women’s Reflection on Accessing Care Across Their Breast Cancer Trajectory: Navigating Beyond the Triple Barriers A Qualitative Article Critique: Older Women’s Reflection on Accessing Care Across Their Breast Cancer Trajectory: Navigating Beyond the Triple Barriers This paper will critique the qualitative study written by Peiters‚ et al.(2011)‚ which looks at the journey and barriers older women diagnosed with breast cancer must hurdle to receive treatment
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