what is the independent variable for the tadpole diet experiment? what is the independent variable for the tadpole diet experiment?

Which is true of the independent variable of an experiment? Redman says its important to do all of the steps outlined above, but more often than not, managersdo the initial few steps figuring out the variable of interest and perhaps the population and then skip ahead to conducting the experiment. draw graphs, evaluate results, and evaluate the hypothesis. An independent variable is the variable that is changed in a scientific experiment. 0 . Section: Experimentation and Data Analysis: Yeast Nutrition Topic: A View of Life; Scientific Method Learning Objective: 01.04. When graphing these variables, the independent variable should go on the x-axis (the horizontal axis), and the dependent variable goes on the y-axis (vertical axis). Copyright 2023 WisdomAnswer | All rights reserved. For example, when investigating the effect of study time of performance, the study time is the independent variable. Here's the definition on independent variable and a look at how it's used: An independent variable is defines as the variable that is changed or controlled in a scientific experiment. The dependent variable depends on the independent variable. The 5 Strategies You Must Be Using to Improve 160+ SAT Points, How to Get a Perfect 1600, by a Perfect Scorer, Free Complete Official SAT Practice Tests. If you're still having a hard time understanding the relationship between independent and dependent variable, it might help to see them in action. why not test different acidity levels with different temperatures? what is the independent variable for the tadpole diet experiment? What question can you ask yourself to determine the independent variable? Identify independent variables: Imagine that you wish to compare the two different diets that will be fed to tadpoles raised in a lab. It is called independent because its value does not depend on and is not affected by the state of any other variable in the experiment. In some cases, there is no good way to test a hypothesis using a controlled experiment (for practical or ethical reasons). Do goldfish eat their babies? They were not orienting themselves with regard to any particular stimulus. You want to know which drill is better, but other factors,such asthe size of the well, its depth, and what youre digging through, will also affecthow efficiently you drill the wellandcomplicate your evaluation of the new drill. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. . what is the independent variable for the tadpole diet experiment? When formulating a hypothesis, it is important to determine the scope, then pick four or five factors to focus on. This website uses cookies to improve your experience while you navigate through the website. what is the independent variable for the tadpole diet experiment? A researcher can control the number of hours a student sleeps. One diet is a meat-based fish food, and the other is the traditional diet of boiled lettuce. Two point charges of equal magnitude are 8.3cm8.3 \mathrm{~cm}8.3cm apart. We include controls (positive and/or negative) in order to have something to coampare to and make conclusion). What do you do in the analysis phase of the scientific method? Independent variable: What the scientist changes or what changes on its own. You can also think of the independent variable as the cause and the dependent variable as the effect. Revise the protocol based on what you learned in your pilot study. In a graph, the independent variable is always graphed on the x-axis (horizontal, bottom one); whereas, the dependent variable is groups on the y-axis (vertical, side one). Van Halen European Tour 1993, Parts of the experiment: Independent vs dependent variables. What is commonly graphed on the x-axis on the graph? B. Tadpole size will be unpredictable if fed a meat-based diet. He gives the example of two-year-olds, who are constantly running experiments: They think, If I scream, mom will come running. They are gathering data about the world, and while its not controlled, they are doing it purposively.. Here is an example of an experiment: Researchers examined the effect of pesticides on tadpole limb development. A hypothesis isn't necessarily right. In Redmans words: The whole idea is to isolate the independent variables that interest you. The answers are at the bottom of the guide for you to check your work. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. There are no official rules about how many times experiments should be repeated to be reliable. For this type of study, the only choice is an instrument that queries past diet. The independent variable is the condition that you change in an experiment. Wellit turns out I forgot to water the seeds. Even managers who are willing to call for experiments often dont plan the experiment carefully enough. Thus, the only possible instruments are . happy time mediterranean restaurant; sweet and spicy vinegar sauce 1 Answer. Goldfish will eat their eggs, or eat the fry after they hatch. wendy barrie cause of death / port melbourne sharks address / death and ace of wands as feelings. For example, in the example above, if there were no constants and you used different amounts of water, different types of plants, different amounts of fertilizer and put the plants in windows that got different amounts of sun, you wouldn't be able to say how fertilizer type affected plant growth because there would be so many other factors potentially affecting how the plants grew. The only difference between your control and experimental groups is the type of food the tadpoles . A lot of research on the cause of bleaching has focused on water temperature. Helmenstine, Anne Marie, Ph.D. "Independent Variable Definition and Examples." Explanation: In this experiment, it is observed that how the change in the type of diet if meat diet is internalized how the average weight of tadpoles increase comparatively than other types of diet. Scientists are the only individuals who use the scientific method. In the example regarding sleep and student test scores, it's possible the data might show no change in test scores, no matter how much sleep students get (although this outcome seems unlikely). The only difference between your control and experimental groups is the type of food the tadpoles receive What is the independent variable for the tadpole diet experiment? Write up a research protocol, the process by which the experiment gets carried out. Experiment 3: You're interested in how rising sea temperatures impact algae life, so you design an experiment that measures the number of algae in a sample of water taken from a specific ocean site under varying temperatures. ThoughtCo. A change in the independent variable directly causes a change in the dependent . In a simple mathematical equation, for example: a = b/c the independent variables, b and c , determine the value of a . If you don't understand what these two variables are and how they differ, you'll struggle to analyze an experiment or plot equations. Skopped Multiple Choice Print 100 References 5 10 The dependent variable is the variable measured in an experiment. 1 For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores since that is what is being measured. Similarly, when testing a new drug, you need to account for the placebo effect, where people get better simply because they think theyre getting treated, so you treat your control group the exact same as the treatment group, and you look for improvement in the treatment group relative to the control group. - Tadpole size - Lab conditions - Species of tadpole - Diet. As an Authorised Service Partner we provide IT services based on Hitachi Vantara technology that support business operations for maximum performance, scalability, and reliability. Answer: D Explanation: Each of . Identify the independent and the dependent variable case 1: The score she got on the exam is the dependent variable, because it's what changed as a result of the independent variable, and it's on the y-axis. How exactly do you isolate the factors that youre trying to study? The independent variable is the amount of light and the moth's reaction is the, Dependent variable that Responds to change goes on the Y axis, Manipulated or Independent variable goes on the X axis. In your experiment you keep all other factors , such as tadpole density per pan , temperature , pH , and the amount of food the same . Dont just leave experimental design up to the data analysts, says Redman. The independent variable (IV) in psychology is the characteristic of an experiment that is manipulated or changed by researchers, not by other variables in the experiment. ***Drop different balls from a fixed height. There are two key variables in every experiment: the independent variable and the dependent variable. By clicking Accept All, you consent to the use of ALL the cookies. Because other researchers must be able to repeat the experiment in order to check the results. Student test scores have no effect on the number of hours the students sleeps. Direct link to Asithandile Ntsondwa's post in the results obtained h, Posted 3 years ago. by CT Diamond. Biology questions and answers. Independent Variable Definition and Examples. Suppose I decide to grow bean sprouts in my kitchen, near the window. Christine graduated from Michigan State University with degrees in Environmental Biology and Geography and received her Master's from Duke University. Independent Variable The variable that is stable and unaffected by the other variables you are trying to measure. What ACT target score should you be aiming for? Once you have a protocol, Redman suggests you do a small-scale experiment to test out whether the process youve laid out will work. To better understand what a randomized controlled experiment is and how businesses use them, I talked with Tom Redman, author ofData Driven: Profiting from Your Most Important Business Asset. One way to remember the difference is to literally consider the independent variable as being independent, because it is the only thing that changes, as everything else in the experiment is controlled. Diet The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. When utilizing the scientific method, there are two types of variables. Independent vs. Dependent Variables | Definition & Examples - Scribbr 1. The dependent variable (sometimes known as the responding variable) is what is being studied and measured in the experiment. 1. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. A scientist is testing the effect of light and dark on the behavior of moths by turning a light on and off. So lets put it all together. You select 30 wells and drill 15 of them with the old bit and 15 with the new. isn't a hypothesis what your predicting will happen? For Cisco an innovation is a key factor for productivity growth. Independent and dependent variables are commonly taught in high school science classes. Out of the ten watered bean seeds, only nine came up. It represents the cause or reason for an outcome. Can you identify the independent and dependent variables for each of the four scenarios below? We carry out innovative IT solutions paying attention to quality, efficiency and sustainability. Try growing some sunflowers and see how different factors affect their growth. You want to see if the meat-based diet will be associated with an increase in the average weight of the tadpoles. It depends on the independent variable. Imagine that you wish to compare two different diets that will be fed to tadpoles raised in a lab. In fact, there is only one thing that I do differently to the two pots: After a week, nine out of ten seeds in the watered pot have sprouted, while none of the seeds in the dry pot have sprouted. A/B can be a randomized controlled experiment, assuming youve controlled factors and randomized subjects, but not all randomized controlled experiments are A/B tests. which factor will you vary in order to test the hypothesis? If this sorting of participants sounds like A/B testing, thats because theyre similar. Bleaching results in starvation, which is indicated by loss of color. what is the independent variable for the tadpole diet experiment? Making sure that you come up with a hypothesis that makes a true statement is by far the most important aspect of the scientific method. One diet is a meatbased fish food, and the other is the traditional diet of boiled lettuce. As a trusted IBM partner we design, build and deliver IT infrastructure that helps increase the business of our clients. a possible explanation for a problem or observation. Question 1 E) 10 In pillbug experiment 10 pillbugs are enough to have a good information about the experiment. in the results obtained how does the subtraction of the control affect the results and why. You could write your hypothesis as an if-then statement. The College Entrance Examination BoardTM does not endorse, nor is it affiliated in any way with the owner or any content of this site. Heres a more business-related example. how come a prediction is not the same thing as a hypothesis? So you have to decide how much controlling is worth the cost. This is important because to judge the results of your experiment, you have to ask compared to what? You dont just start drilling with the new bit and decide its better. You have to compare it against a control group in this case, the 15 wells youre digging with the old bit, which is your baseline. Although it wouldn't be the most accurate, if having someone to check if children are exposed to X or if Y is happening is not possible due to financial, privacy, etc. The dependent variable is what changes due, and that is what we get our information from. The dependent variable (sometimes known as the responding variable) is what is being studied and measured in the experiment. Similarly, in a clinical trial, there are a lot of other factors, such as patients age, general health, exercise regimens, and blood pressure, that can make it hard to see whether the results of the experiment can really be attributed to the drug as opposed to some other factor. Panel 2: One pot (experimental group) is watered. The first is to write the hypothesis and see if it makes sense: Only one of these statements makes sense. 10) What is the dependent variable for the tadpole diet experiment? This doesn't mean that they have died - if the corals find a different nutrient-supplying species, they can regenerate and stabilize again. The independent variable is what you change, and the dependent variable is what happens because of the change. HBR Learnings online leadership training helps you hone your skills with courses like Digital Intelligence . The independent variable always goes on the x-axis, or the horizontal axis. What would be natural to do in the experiment phase if the hypothesis is: "The heavier the ball, the faster it falls"? Biology. Every experiment should have only one independent variable. The photo below shows a bleached coral in front and a healthy coral in back. An independent variable is defines as the variable that is changed or controlled in a scientific experiment. The cookie is used to store the user consent for the cookies in the category "Analytics". If you're studying how different types of fertilizer affect how tall plants grow, the variables are type of fertilizer and plant height. In your lab report, the _________ section is where you share the strategy for your experimen, When graphing your data, it is important that you, place the independent variable on the X-axis. -Diet will have no effect on tadpole size. It brings people back to those dopey science classes they didnt like, but that doesnt make the steps any less critical. The only difference between your control and experimental groups is the type of food the tadpoles receive. Let's say you did the same experiment as the Australian researchers, but also had each sample at a different temperature. Place the 4 phases of Scientific method in order: You do not need to pause to record your data as you perform your experiment. Dependent Variable = What is measured or observed; the "data" collected in the experiment. View Tadpole Experiment.docx from BIOL 101 at West Virginia University. Tadpoles will be larger if fed a meat-based diet. How to determine an independent variable? Direct link to Companion1's post when the coral reefs are , Posted 6 years ago. Managers are expected to know answers. Thats where randomization comes in. Abstract. d. What is the dependent variable? What is the alternative hypothesis? Formulate the hypothesis - Braking distance grows proportionally with speed.2. You test different brands of popcorn to see which bag pops the most popcorn kernels. Its value is independent of other variables in your study. In order to make smart decisions at work, we need data. Or if the researcher only relies on the parents' reporting data from birth to the current age that the child is involved in testing a hypothesis? You want to see if the meatbased diet will be associated with an increase in the average weight of the tadpoles. What are huge holes in the ground called? Answer. Woodfrog tadpoles grow larger if fed a meat-based diet. Researchers often manipulate or measure independent and dependent variables in studies to test cause-and-effect relationships. For example, in an experiment looking at the effects of studying on test scores, studying would be the independent variable. It does not store any personal data. A. Suppose your hypothesis is: "Braking distance grows linearly with speed." That seed may have been dead, unhealthy, or just slow to sprout. Which of the following are phases in LearnSmart Labs' 4-phase model of the scientific method? Now let's make a strategy. From the graph, it looks like studying up to six hours helped her raise her score, but as she studied more than that her score dropped slightly. The independent variable for the tadpole diet experiment are the amount of food given to the tadpole, temperature, pH, density because an independent variable is defined as the variable that is changed or controlled in a scientific experiment .It represents the cause or the reson for an outcome (dependent variable) that is increase in the average weight. A Refresher on Randomized Controlled Experiments. Direct link to Ivana - Science trainee's post Yes, but the hypothesis h, Posted 5 years ago. Answers: 1 on a question: Identify the independent and the dependent variable case 1:to determine whether a diet of blueberries has an effect on aging, an experiment involving 19-month old rats was undertaken. I put bean seeds in a pot with soil, set them on the windowsill, and wait for them to sprout. The independent variable for the tadpole diet experiment are the amount of food given to the tadpole, temperature, pH, density because an independent variable is defined as the variable that is changed or controlled in a scientific experiment .It represents the cause or the reson for an outcome (dependent variable) that is increase in the average Access more than 40 courses trusted by Fortune 500 companies. What do you do in the LabSmart experiment phase? Write an alternate hypothesis for this experiment: Based on the null hypothesis, I hypothesize that there will in fact be either an increase or decrease in the tadpoles weight base on their diets in a controlled experiment. The other pot (control group) is not watered. No 3. Conduct the experiment, following the protocol as closely as you can. Excel in a world that's being continually transformed by technology. That change is measured and recorded by the experimenter. The independent variable always goes on the x-axis, or the horizontal axis. This is an example of kinesis Dependent and Independent Variables. Is there always one experimental group and one control group? Experiment 2: You want to see which type of fertilizer helps plants grow fastest, so you add a different brand of fertilizer to each plant and see how tall they grow. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. What would be natural to do in the experiment phase if your hypothesis is: "The braking distance grows linearly with speed"? The only difference between your control and experimental groups is the type of food the tadpoles receive . We specialize in professional IT services /Data Center, Collaboration, Cloud and Virtualisation solutions/ and business software solutions based on Microsoft Dynamics NAV and CRM product family, BI and LS Retail. The cookie is used to store the user consent for the cookies in the category "Other. Analyze the results, looking for both planned results and keeping your eyes open for unexpected ones. Build and test a range of simple and complex machines with this K'nex kit. We help companies around the world make full use of their capabilities in the areas of Microsoft Dynamics, Office 365, Power BI, and cloud-based solutions based on the Azure platform. Biology questions and answers. The dependent variable goes on the y-axis, or vertical axis. The two variables may be related by cause and effect. Send Us Emailinfo@dentalories.com; green tree greeting cards. which science classes high school students should be taking. As you can see, this is a graph showing how the number of hours a student studies affects the score she got on an exam. You can use dozens of filters and search criteria to find the perfect person for your needs. In the case of environmental effects on children and how it affects their health, it being unethical to actually try an experiment, then from what I gather the best way to test a hypothesis would be to say, "When children are exposed to X, Y will happen." In your experiment you keep all other factors, such as tadpole density, temperature, pH, and the amount of food, constant. Method 1 of 3: Understanding Independent and Dependent Variables. That's a great way o, Posted 4 years ago. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. Explore a wide range of chemical reactions with this chemistry kit. True, In the _________ phase, you will carry out the strategy you developed for testing the hypothesis. what is the independent variable for the tadpole diet experiment? The independent and dependent variables are the two key variables in a science experiment. You want to see if the meat-based diet will be associated with an increase in the average weight of the tadpoles. Control Group = Those participants treated just like the experimental group EXCEPT they are not. They probably do not eat tadpoles in large quantities, although they might eat frog eggs and an occasional tadpole. What was the independent variable in this experiment? 1. Green frog tadpoles grow larger if kept in water above 18C. Solved Scientific Method Lab Ho.. Help Save & Exit Submit 19 - Chegg Periodic Table Symbols Quiz, You want to see if the meat-based diet will be associated with an increase in the average weight of the tadpoles. The dependent variable is the variable that is being measured or tested in an experiment. Question 3 Imagine that you wish to compare two different diets that will be fed to tadpoles raised in a lab. What is the independent variable? She has taught science courses at the high school, college, and graduate levels. **it must be open to revision in the light of new date. What happened to the tenth seed? The new diet is a meat-based commercial fish food. Apple Tv Volume Control Not Working, Differentiate between the following terms. Scientists test hypotheses by making predictions: if hypothesis, When possible, scientists test their hypotheses using controlled experiments. The dependent variable goes on the y-axis, or vertical axis. Direct link to Joann's post if you planted different , Posted 4 years ago. start text, C, O, end text, start subscript, 2, end subscript, start superscript, 3, comma, 4, end superscript. You can also think of the independent variable as the cause and the dependent variable as the effect. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. Determine what the population of interest is. The variable that responds to the change in the independent variable is called the dependent variable. But as far as Redman knows, theres no well-drilling lab, so you do the best you can. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The last mistake Redman points out is an easy one to solve: not involving the analyst. Imagine that you wish to compare two different diets that will be fed to tadpoles raised in a lab. As Redman says, You dont make money in a lab. PDF U R S Y T E S T S . C O M You also have the option to opt-out of these cookies. when the coral reefs are bleached does that mean they have died, if not do they stay white forever or return to their original form? diet tadpole size species of tadpole lab . Check out our complete guide to winning Science Olympiad competitions. Variables are given a special name that only applies to experimental investigations. A Comprehensive Guide. Louisiana State Penitentiary Famous Inmates, Choose a scope - We will focus on how braking distance depends on speed.3. Practice Identifying the Independent Variable. Similarly, in the drilling experiment, you might want to be sure you account for the expected hardness of the rock, so you may create 15pairs of wells based on how difficult you expect theyll be to drill. Click to see full answer. Tadpoles will be larger if the pH is higher. 1: Independent: dog food brands; Dependent: how much you dog eats, 2: Independent: how long you spend at the party; Dependent: your exam score, 3: Independent: Amount of time you spend waiting; Dependent: Total time you're at the dentist (the 30 minutes of appointment time is the constant), 4: Independent: Number of times your cousin is asked to eat vegetables; Dependent: number of tantrums.