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What else can I help you with?
How many controlled variables must a controlled experiment contain to be valid?
Every variable except for the one being tested should be controlled.
In an experiment to test the effect of excercise on the number of times a clothespin can be squeezed in 1 minute what is the dependent variable?
a single variable
What controlled variables in science?
The number of dependent variables in an experiment varies, but there is often more than one. experiments also have controlled variables are quantities that a scientist wants to remain constant, and he must be observe them as carefully as the dependent variables.
Which procedure must be followed for the results of an experiment to be considered valid?
A valid experiment is the one which is done on the basis of some facts and figures. The experiment which has a good statistical analysis is known to be valid experiment.step 3.
What does reliable in science terms mean?
How accurate data is in the sense that you've repeated an experiment a number of times. I.e., one would answer the question 'how reliable were your results?' with something like 'they were very reliable as the experiment was repeated 67 times'.
Which experiment most likely has greater reliability?
D) Number 2 because the experiment was repeated and the results were always the same
What is an controlled experiment?
A controlled experiment is a scientific study in which all variables are kept constant except for the one being manipulated or tested. This allows researchers to determine the direct impact of the manipulated variable on the outcome. By controlling all other factors, the experiment can establish a cause-and-effect relationship between the manipulated variable and the observed results.
Why can there only be one variable in an experiment?
If you vary only one quantity in an experiment, then the results will be related to that quantity. If you vary two or more quantities, then the results will be ambiguous; you will not know what variation is responsible for the observed result.
What occurs when conducting a probability experiment?
An experiment is carried out repeatedly. The total number of times the experiment is conducted and the number of times in which the results are outcomes of interest are recorded. These counts are then used to calculate the experimental probabilities of the outcomes.
How many controlled variables must a controlled experiment contain to be valid?
Every variable except for the one being tested should be controlled.
What is the effect of intensity on photoelectric current?
Increasing the intensity of light in the photoelectric effect results in an increase in the number of photons, which can lead to a higher number of photoelectrons being ejected from the metal surface. This results in an increase in the photoelectric current.
What would the dependent variable be in an experiment to test the effect of exercise on the number of times a clothespin can be squeezed in 1 minute?
The dependent variable in this experiment would be the number of times the clothespin is squeezed in one minute. This is the variable that is being measured to determine the effect of exercise on grip strength.
How do scientist test the result of their experiment?
Repitition is one common way to verify the results of scientific experiment. In many cases, other scientists in the same field will attempt to duplicate a published experiment and can detect fraudulent or questionable results if they are unable to reproduce similar results after a number of tries. On the other hand, successful duplication will usually verify the original experimenter's conclusions.
How many trials is considered to be acceptable in an experiment?
There is no set number of trials considered universally acceptable in an experiment. The number of trials needed can vary depending on the nature of the experiment, the desired level of statistical significance, and other factors. Typically, researchers aim for a sufficient number of trials to ensure reliable results.
What is the analysis of an experiment?
Analysis- these are statements you make about the data. What does the data tell you? These statements might answer the question "What was the highest number?" or "What was the lowest number?" Tell what that means in relation to your hypothesis.
In an experiment to test the effect of excercise on the number of times a clothespin can be squeezed in 1 minute what is the dependent variable?
a single variable
Why most only one variable change in an experiment?
That is simply not true.There are times when a number of factors can have an effect on the outcome of an experiment but it is not possible to conduct the experiment so that only one factor is allowed to vary while all others are controlled. It is far more efficient - in terms of experimental units - to design the experiment so that the interactions between variable factors can be estimated. Experimental design is the subject that deals with the problem of designing efficient schema for dealing with a number of interacting factors. You may wish to look at "Latin square design" and "Greco-Latin squares" as an introduction to design.
