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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. a. Imagine that you wish to compare two different diets that will be fed to tadpoles raised in a lab. The dependent variable is the effect. What is the independent variable for an experiment comparing different tadpole diets? The new diet is a meat-based food. Send Us Emailinfo@dentalories.com; green tree greeting cards. When researchers are interested in whether past diet as an independent variable may affect a dependent variable such as health status, they conduct a [glossary term:] retrospective study (also known as a case-control study) . In a psychology experiment, researchers study how changes in one variable (the . B) The average weight for groups of bullfrog tadpoles is higher if density of tadpoles per gallon of . If an experiment were comparing five types of diets, then the independent variable (type of diet) would . 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. The . He grew three different cultures of the bacterium E. coli under three heat lamps at different temperatures. Imagine that you want to compare a new diet for tadpoles that are reared in the laboratory to the traditional laboratory diet of boiled lettuce. Dependent and Independent Variables. In analytical health research there are generally two types of variables. . [2] In the design of experiments, an independent variable's values are controlled or selected by the experimenter to determine its relationship to an observed phenomenon (i.e., the dependent variable). Biology questions and answers. Woodfrog tadpoles grow larger if fed a meat-based diet. What is the independent variable for the tadpole diet experi-ment? False. The only difference between your control and experimental groups is the type of food the tadpoles . The independent variable is the condition that you change in an experiment. Researchers are trying to determine if changes to the . Biology. Click to see full answer. For this type of study, the only choice is an instrument that queries past diet. diet. For this type of study, the only choice is an instrument that queries past diet. Wan et al. happy time mediterranean restaurant; sweet and spicy vinegar sauce The dependent variable is the variable that is being measured or tested in an experiment. Researchers often manipulate or measure independent and dependent variables in studies to test cause-and-effect relationships. An independent variable is defines as the variable that is changed or controlled in a scientific experiment. What was the independent variable in this experiment? It depends on the independent variable! Answer (1 of 2): When you are running an experiment the independent variables are those you directly control or vary.The dependent variables are those you only measure or try to observe*. The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable. 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. 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 a control variable? The independent variable is the glass, and the dependent variable is the plexiglass. - Tadpole size - Lab conditions - Species of tadpole - Diet. In your experiment you keep all other factors, such as tadpole density per . The independent and dependent variables are the two key variables in a science experiment. You want to decide if the new diet will be associated with an increase in the average weight of the tadpoles. You want to see if the meat­based diet will be associated with an increase in the average weight of the tadpoles. It is the variable you control. The only difference between your control and experimental groups is the type of food the tadpoles . THEN ANSWER THE PRE-LAB QUESTIONS USING INFORMATION IN THIS BOOK. Researchers often manipulate or measure independent and dependent variables in studies to test cause-and-effect relationships. The independent variable is what you change, and the dependent variable is what happens because of the change. Here is an example of an experiment: Researchers examined the effect of pesticides on tadpole limb development. You want to determine if the new diet will increase the average weight of the tadpoles. Independent Variable . Control Group = Those participants treated just like the experimental group EXCEPT they are not. 2. When researchers are interested in whether past diet as an independent variable may affect a dependent variable such as health status, they conduct a [glossary term:] retrospective study (also known as a case-control study) . An independent variable is a variable, often denoted by x, whose variation does not depend on that of another variable. One diet is a meat-based fish food, and the other is the traditional diet of boiled lettuce. 2. View Tadpole Experiment.docx from BIOL 101 at West Virginia University. Tadpole Experiment 1. For example, a scientist is testing the effect of light and dark on the behavior of moths by turning a light on and off. I will go into detail about the research topic upon contact. Sometimes you may hear this variable called the "controlled variable" because it is the one that is changed. Independent variables are what we expect will influence dependent variables. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. The new diet is a meat-based food. The tadpoles weight will neither increase nor decrease based on the type of food they receive . Its value is independent of other variables in your study. The amount that the plants grow depends on the amount of sun they get. What is the independent variable for the tadpole diet experiment ? (2006-42) A scientist designed an experiment to test the effect of temperature on bacterial growth. An independent variable is the variable that is changed in a scientific experiment. Every experiment should have only one independent variable. Skopped Multiple Choice Print 100 References 5 10 Identify independent variable Imagine that you wish to compare two different diets that will be fed to tadpoles raised in a lab. Length of the experiment b. In your experiment you keep all other factors, such as tadpole density, temperature, pH, and the amount of food, constant. The dependent variable (height) depends on the independent variable (age). The new diet is a meat-based commercial fish food. Dependent Variable = What is measured or observed; the "data" collected in the experiment. An independent variable is defines as the variable that is changed or controlled in a scientific experiment. experimental and control. An example of a dependent variable is how tall you are at different ages. The only difference be-tween your control and experimental groups is the type of food the tadpoles receive. An example of a dependent variable is depression symptoms, which depends on the independent variable (type of therapy). Diet. Answer. Biology questions and answers. For example, if we want to explore whether high concentrations of vehicle exhaust impact incidence of asthma in children, vehicle . One diet is meat-based fish food, and the other is traditional diet of boiled lettuce.You want to see if the meat-based diet will be associated with an increase in the average weight of the tadpoles. happy time mediterranean restaurant; sweet and spicy vinegar sauce; steph curry all-star game. The dependent variable depends on the independent variable. above 18°C. Imagine that you wish to compare two different diets that will be fed to tadpoles raised in a lab. . If an experiment were comparing five types of diets, then the independent variable (type of diet) would . (2008) showed that women who experience mother-in-law as a caregiver had twice the odd of PPD. The independent variable (IV) is the characteristic of a psychology experiment that is manipulated or changed by researchers, not by other variables in the experiment. . In a statistics experiment, the dependent variable is the event studied and expected to change whenever the independent variable is altered. -Diet will have no effect on tadpole size. 1. One diet is a meat­based fish food, and the other is the traditional diet of boiled lettuce. experimental and control. Usually only one variable is measured and an experiment investigates how changing the independent variable affects the dependent . H1: Caregiver's rules . I need at least 15 pages in length done 10 pages should consist of valid references. You want to see if the meat-based diet will be associated with an increase in the average weight of the tadpoles. Biology. Its value depends on changes in the independent variable. What is the independent variable for the tadpole diet experiment? Independent variables are the variables that the experimenter changes to test their dependent variable. -Tadpole size will be more variable if fed a meat-based diet. Control variables are variables that must be kept the same in an experiment. The independent variable is the cause. Best answer. The independent variable is the item that varies through out the experiment. The independent variable is the one the experimenter controls. What is the independent variable for the tadpole diet experiment? One diet is a meat-based fish food, and the other is the traditional diet of boiled lettuce. For example, in an experiment looking at the effects of studying on test scores, studying would be the independent variable. The dependent variable is the effect. The dependent variable (sometimes known as the responding variable) is what is being studied and measured in the experiment. The only difference between your control and experimental groups is the type of food the tadpoles receive . Its value depends on changes in the independent variable. Independent Variable = What the investigator manipulates; the particular treatment or condition the. In addition, it tadpoles demonstrates that although tadpoles is well known that larval development exhibits were able to recover from a developmental remarkable plasticity such that the variance in delay, the accumulation of MeHg still produced the timing of metamorphosis can be up to 90% persistent adverse biological effects. diet tadpole size species of tadpole lab . You want to decide if the new diet will be associated with an increase in the average weight of the tadpoles. The dependent variable is the variable measured in an experiment. D) All of the choices are correct. Independent variables are the variables that the experimenter changes to test their dependent variable. No 3. toddler mickey mouse vans; eagle talon mitsubishi eclipse plymouth laser Thus, the only possible instruments are . What might be influencing the dependent variable is the 'independent variable.'. The only difference between your control and experimental groups is the type of food the tadpoles receive. The experiments and process should be unbiased and orderly, and the results should be repeatable. They were not orienting themselves with regard to any particular stimulus. You have just finished weighing a pan of tadpoles at the conclusion of your experiment in which you sought to determine whether tadpoles that were fed the meat-based diet grew significantly larger than tadpoles who were fed boiled lettuce. 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. The dependent variable is the variable that changes in response to the independent variable. In a purely observational study the independent variables are those you believe are causative, and the indep. It's what changes as a result of the changes to the independent variable. In an experiment, the researcher is looking for the possible effect on the dependent variable that might be caused by changing the independent . One diet is a meat-based fish food, and the other is the traditional diet of boiled lettuce. The dependent variable is what changes due, and that is what we get our information from. 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. In your experiment you keep all other factors, such as tadpole density, temperature, pH, and the amount of food, constant. Question 3 Imagine that you wish to compare two different diets that will be fed to tadpoles raised in a lab. Number of bacteria c. generation Reproduction rate d. In the tadpole diet experiment, it would be sufficient to test only one single pan of tadpoles that were fed lettuce, and only one single pan of tadpoles fed meat. When scientists design experiments, they determine what will be their independent, dependent, and constant variables. 1 Answer. You want to determine if the new diet will increase the average weight of the tadpoles. Independent variables are the variables that the experimenter changes to test their dependent variable. Thus, the only possible instruments are . Identify independent variables: Imagine that you wish to compare the two different diets that will be fed to tadpoles raised in a lab. Answer. Answer: D Explanation: Each of . A short example :::: Background I will narrow my topic to caregiver's rules and their relationship in developing PPD. Maybe the For example, when investigating the effect of study time of performance, the study time is the independent variable. The 'dependent' variable cannot change or grow unless something else is happening or influencing it. The sowbugs seemed to be wandering around. Its value is independent of other variables in your study. The new diet is a meat-based commercial fish food. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. . You want to see if the meat-based diet will be associated with an increase in the average weight of the tadpoles. This is an example of kinesis Imagine that you want to compare a new diet for tadpoles that are reared in the laboratory to the traditional laboratory diet of boiled lettuce. by ♦ CT Diamond. The two variables may be related by cause and effect. 0 like 0 dislike. A Dependent variable is what happens as a result of the independent variable. The independent variable is the cause.

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