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What is the most effective experiment strategy to test the hypothesis?
The most effective experiment strategy to test a hypothesis is to design a controlled experiment with a clear independent variable that can be manipulated and a dependent variable that can be measured. Random assignment of subjects to experimental and control groups can help minimize bias and ensure the results are reliable.
Which action would be most important to perform in a controlled experiment?
Ensuring that only one variable is changed or manipulated at a time, while keeping all other variables constant. This helps to isolate the effects of the independent variable on the dependent variable.
What is the independente variable?
Independent variable(manipulated variable) is a variable that is changed delibertly by the experimentor. *most of the time the first part of a projects question is the independent variable.
What is an controlled experiment?
A controlled experiment can be used to test almost anything. In a controlled experiment, the scientist (or experimenter) use a control group and an experimental group. The control group has nothing changed about it, and experiment group is changed based on the variable of the experiment. One of the most common uses of controlled experiments is the testing of new medications. In a medical study, a pharmaceutical company usually brings in a group of 100 people. Those people people are randomly assigned to two groups of 50. The experiment group is given the medication being tested, and the control group is given a placebo (a sugar pill). After several weeks, the experimenter can then see the side-effects of the medication, by comparing the differences between the experiment and control groups.
What is a manipulated variable in seed germination?
Manipulated variable is also known as the independent variable. The independent variable may determine if a seed germinates. Examples of manipulated variables for seed germination include: water, suitable temperature and air/oxygen. These basic variables are also the most important in seed germination.
What is the meaning of a manipulated variable?
== == A 'manipulated' variable can be what is called an independent variable in a research setting. Say that I want to know what medications will be most effective in helping people suffering from infection-related stomach ulcers. I have several volunteers who will be in the study, divided into equal groups. I could do any of the following: study one single med and vary the doses across groups with one control group receiving a placebo; I could study several different meds, and perhaps even have various dose-groups for each of them as well if I have enough groups of appropriate size, or I could compare naturopathic or dietetic treatments with meds. In all of these cases the variations in treatment protocols represent the manipulated variable. The dependent variable, the treatment outcomes, are how the volunteers do in the various groups. Statistical analysis will help determine how significantly (if at all) the groups differ from one another, and this will help determine relative effectiveness of the treatments.
In a research study if one variable is changed to see how it affects behavior the study is most likely a?
experiment
How would you define what a dependent variable and independent variable are?
Independent variables answer the question "What do I change?"Dependent variables answer the question "What do I observe?"Controlled variables answer the question "What do I keep the same?"
What would be the manipulated responding and controlled variables in this experiment?
The experiment consisted of copper pennies, 5 small beakers, and dropper bottles of: dish soap, water, ethanol, and baby oil. We had to drop these liquids onto pennies and see which could hold the most. So, what would be the manipulated, responding, and controlled variables in this experiment?
What are the most important controls needed in this experiment?
It is a conclusion,variable,a hypothesis,procedure,and data.
What does indepedent variable means in science?
The independent variable is the thing that changes with in the experiment to make it an experiment. For example, say I was doing an experiment on something such as "Which sponge brand can absorb the most water?" The independent variable would be the different sponge brands because it would be the thing that changes with in the experiment. Otherwise, if you didn't make an independent variable (the different sponge brands in this case) it wouldn't be an experiment because a sponge of the same brand should hold about the same amount of water as the others.
What should be the only independent variable?
In most real life cases, limiting an experiment to only one independent variable makes the whole experiment a waste of time. More often than not there are several independent variables.
