Scientific Proof that ‘Metabo-Herb’ causes your tomatoes to grow faster than ‘Su

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Scientific Proof that ‘Metabo-Herb’ causes your tomatoes to grow faster than ‘Super-Grow.’ Decades of scientific research has resulted in the development of a new plant fertilizer that promotes plant growth better than any other product on the market—including ‘Super Grow.’ ‘Metabo-Herb’ is a clinically formulated fertilizer that is scientifically proven to outperform all other products. We don’t just say that our product is better, we prove it! The following experiment provides definitive, scientific proof of the superiority of ‘Metabo-Herb’ over ‘Super-Grow.’ Two side by side one-acre fields were planted with the same variety of tomatoes. One of the fields was fertilized with ‘Metabo-Herb,’ the other was not. At the end of the season, plants were randomly sampled from each field and compared with respect to growth (plant height). The differences in growth between the plants are amazing and scientifically proven! A statistically significant difference in plant height between the groups proves the superiority of ‘Metabo-Herb” over our competitors. Growth (height in inches) ‘Metabo-Herb’ Without • 39 52 31 43 36 49 29 50 37 37 39 51 36 47 34 48 37 42 38 53 33 50 43 29 32 48 29 47 26 Mean 46 35 Plants fertilized with Metabo-Herb grew on average 11 inches taller than those without. These data scientifically prove the superiority of Metabo-Herb over Super Grow. But don’t take our word for it—Listen to what gardeners around the country have to say about our product: I’ve never had such tall plants—Metabo-Herb made my garden the envy of the town. -Billy J. (Winchester, TN) My tomatoes have never grown so fast! -Nancy C. (Harrell, SD) After using Metabo-Herb, I’ll never use anything else. -Andrew S. (York, PA) My tomato plants are the biggest I’ve ever had...just look at them! -Johnny V. (Yucca, AZ) In addition to be scientifically proven to be more effective than our competitors, Metabo-Herb is less expensive! For $49.98 you can order a 40 pound bag of Metabo-Herb—just put it on your garden and watch your plants grow like never before. Don’t Delay, Send only $49.98 to: Fleece-You Enterprises Swindler Lane Deceit, RI 70725 Metabo-Herb Activity—Critical Question Sets After reading the scenario of the advertisements for Metabo-Herb, respond to the questions below. 1. Scientific Foundation: The scientific method provides a data and evidence-supported, methodical way to test proposed explanations (hypotheses) about an observed phenomenon or event, and draw quantitative, factual conclusions about that observed event or phenomenon. • What specific claims do the manufactures make about their product? • The manufacturer doesn’t identify HOW their product may promote plant growth (what happens biologically to the plant that is different from plants not exposed to the product). Explain why this information is vital for a proper evaluation of the claims. • Explain why it is important that all individuals—not just scientists—have a clear understanding of science as a method of inquiry. 2. Research Design: The appropriate use of control groups and experimental groups, selection of appropriate dependent variables and independent variables, and control of potential confounding variables (controlled variables) are vital aspects of scientific investigations. • Identify the following components of the study: • Control Group: • Experimental Group: • Dependent Variable: • Independent Variable: • Controlled Variable(s): • Is the experiment described an appropriate test of the claims made by the manufacturer? Explain. • What is the purpose of a control group in an investigation? 3. Data Analysis & Conclusions: Science is a method of inquiry that is based on a critical evaluation of data. • What conclusions, if any, can be drawn from the data given? • Why are testimonials and anecdotal evidence, like those given by the compay, of limited value to scientific investigations? 4. Validity of Claims: In science, before a scientific investigation is published, it must go through the process of ‘peer-review.’ In this process, other scientists who are specialists in the area of investigation critically analyze the methods and results of a study to help establish the validity of the findings. • You have been asked to peer-review this study. Given what you have learned about the scientific method, what comments/questions would you have for the researchers who conducted this study? • Briefly describe how you would change the experiment that was done to actually test the claim made by Metabo-Herb.

Explanation / Answer

ans-1 the manufacteres claims that their product is best for the height of the tomato plants. the biological reason for the working of this product is the induction of growth hormones in a required manner and quantity. it is important for all the people to understand the method of inquiry because the people who grows the tomatoes are not scientist and if they know the working facts of product then they can use it properly.

ans-2 control group- plants without metabo herb

experimental group- plant with metabo herb

dependent variable- height of metabo herb used plant

independent variable- height of without metabo herb plant

controlled variable- same as independent variable.

ans-3 based on the data given it can be concluded that the use of metabo herb induce the height of the tomato plants. this data is of limited use because this only contain data about one generation of the plants.

ans-4 the peer review of this research will be conducted by choosing the tomato species randomly and then observation can be made if this drug have same effects on all the samples.

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