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What is the controlled variable in a science fair experiment?
The controlled variable is the variable that is kept constant , meaning not changed, throughout the entire experiment.
What are the characteristics of a causal hypothesis?
A causal hypothesis posits a specific cause-and-effect relationship between two variables, indicating that changes in one variable (the independent variable) directly influence another variable (the dependent variable). It is testable and falsifiable, meaning it can be supported or refuted through experimentation or observation. Additionally, a causal hypothesis often includes a clear mechanism or explanation for how the causation occurs. Finally, it is typically framed in a way that allows for measurable outcomes to assess the strength and nature of the relationship.
What are the examples of manipulated variable and responding variable?
Observation-Seeds placed in cotton germinate the same as seeds placed in soil, Hypothesis- Seeds do not need soil for germination Manipulating variables- soil, cotton Responding- height of seeds germinated
What is the meaning of manipulated or independent variable?
A manipulated variable, also known as an independent variable, is the factor in an experiment that is intentionally changed or controlled by the researcher to observe its effect on another variable. This variable is crucial for establishing cause-and-effect relationships in scientific studies. By altering the manipulated variable, researchers can measure how it impacts the dependent variable, which is the outcome being tested.
Instructions for carrying out a science experiment?
The Scientific Method 1) Observe- use the five senses 2) Hypothesis- a proposed explanation for observation; an educated guess 3)Experiment- a procedure used to test a hypothesis -find the independent variable(variable that changes during experiment) -Find the dependent variable(variable that changes in response to the idependent variable) 4) data- write down everything you observe about the experiment. 5) Conclusion!!!!
Why does a Percent correct on a memory task is an example of a variable with a scale of measurement and is a numerical observation.?
Why does a Percent correct on a memory task is an example of a variable with a scale of measurement and is a numerical observation.?
How can knowing which variable is which in laboratory procedure?
You can know which is the variable in a laboratory just by observation. The number of times that it has been used in the different procedures will also help you tell which is the variable.
What is an experiment where only one variable is changed and all others are kept constant?
observation
Is the time taken to run 10 kilometers discrete or continuous variable?
It is a continuous variable. BUT as soon as you measure it, the limitations of your timing device make the observation a discrete variable - even if you can measure with an accuracy of a nanosecond.
What is the latin meaning for variable?
ratio
What is the meaning of the word variable?
Variable means something that changes. X, for example, is a variable, as it can be many different numbers.
What is the Meaning of temporary observation?
what did yousee,what happen? describe it
What is a the difference between a variable and an observation?
A variable is a characteristic or attribute that can take on different values or categories, such as age, height, or temperature. An observation, on the other hand, refers to a specific measurement or instance of data collected for a variable in a study or experiment. In essence, variables are the qualities being measured, while observations are the actual data points that reflect those measurements.
What are the different kinds of the observation and its meaning?
observation is a qualitative research method, and therefore has the previously identified strengths and weaknesses
What is the meaning of the algebra term variable?
variable is the unknown number. usually represented as a letter
What is the meaning of endependent variable?
An independent variable is a variable that is manipulated or controlled by the researcher in an experiment to determine its effect on the dependent variable. It is the variable that is changed or varied to observe its impact on the outcome.
What is the controlled variable in a science fair experiment?
The controlled variable is the variable that is kept constant , meaning not changed, throughout the entire experiment.
