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Experimental Design
Page 7
Questions (548)
what should you ask yourself when looking for an independent variable in an experiment?
I would ask whether that variable can be
1 answer
asked by
jasmine
933 views
I really need help on this project. I am not asking for all of the answers, I just need someone to explain what I should do for
6 answers
asked by
Melinda May
892 views
Six mice are in an experiment on nutrition and 2 are chosen at random for the control group. What is the probability that the
2 answers
asked by
Kassie
863 views
A researcher wished to test the effect of the addition of extra calcium to yogurt on the "tastiness" of yogurt. Two different
1 answer
asked by
Samantha
849 views
Which of the answer choices is correctly defined as the variable in a controlled experiment that is purposely changed or
2 answers
asked by
malia
879 views
Bart believes that mice exposed to microwaves will become extra strong (maybe he's been reading too much Radioactive Man). He
5 answers
asked by
Jamie
4,115 views
In most biology experiments, the relationship between the independent and the dependent variable can best be described as cause
2 answers
asked by
Bee
1,232 views
homer notices that his shower is covered in a strange green slime. His friend Barney tells him that cocnut juice will get rid of
1 answer
asked by
Anonymous
1,029 views
When a well designed experiment is repeated by another scientist, the results
* 2 points should be similar to those obtained
1 answer
asked anonymously
46 views
I have an experiment to do with active transport and osmosis with an egg? I don't know what to do?
put the egg in salt water and
1 answer
asked by
joe
812 views
the ? is the part of an experiment that is not being tested and is being used for comparison.
4 answers
asked by
Robert
787 views
define these terms or questions:
what is an inital observation? what is an independent variable? what is an dependent variable?
4 answers
asked by
brxce
777 views
Identify the conditions of the independent variable , the dependent variable , their scales of measurement , which measure of
2 answers
asked by
pam
739 views
In addition to the salt/sugar question, what will you use and what unit of measure will you place on the y axis of the bar graph
1 answer
asked by
tee
711 views
You are testing a hypothesis that population density of a particular plant species influences the rate at which a pathogenic
1 answer
asked by
Anon
717 views
A local donut shop wishes to test out its donuts against those of the competition which is planning to set up in the community.
2 answers
asked by
Bettie
719 views
hi so this is lesson 7 of science 7A unit 1 the practice assessment can someone please help me cuz I don't know any of the
3 answers
asked by
His chair
700 views
What is an example of a real world relationship where there is no clear independent or dependent variable
4 answers
asked by
Pam
626 views
If someone were to replicate your experiment, what concepts and vocabulary would they need to know to better understand what is
1 answer
asked by
RideOrDie
25 views
A researcher is interested in determining whether acupuncture affects pain tolerance. An experiment is performed in which 15
2 answers
asked by
Help me out
655 views
To make causal inferences from observed differences between groups based on varied levels of treatment, it is necessary to...?
A.
1 answer
asked by
Pat
629 views
Design a controlled experiment to test your hypothesis, describing how you would interpret your results. Please limit your
3 answers
asked by
hala
619 views
Examples please!Create a drawing or plan for a 2 x 3 experimental design that would lend itself to a factorial ANOVA. Be sure to
1 answer
asked by
Ethel
618 views
Put the following in the correct order.
Report results Determine if hypothesis is true Do background research Construct a
3 answers
asked by
Please help
619 views
There are two main classes of individuals who can affect the outcome of an experiment:
Those who could influence the results
2 answers
asked by
Jennifer
593 views
A biologist hypothesizes that restricting food from mice will decrease their activity. He designs an experiment in which he
4 answers
asked by
shakira
591 views
A Scientist wonders if the amount of Vitamin C that he feeds to rats will have any affect on the rat's mass. He measured both
3 answers
asked by
Mia
626 views
For an experiment involving 2 levels of factor A and 4 levels of factor B with a sample of
n = 5 in each treatment condition,
2 answers
asked by
Robbie
574 views
write up a conrol group and a experimaental group
Example: Control:Plant with no fertilizer Eperimental groups:plant with
1 answer
asked by
jessika
565 views
What is the difference between exploratory and formal studies?
2 answers
asked by
Tameika
540 views
Researchers recruited 20 volunteers- 8 men and 12 men omen- to take part in an experiment
2 answers
asked by
Anonymous
534 views
A researcher is interested in the effects of monetary incentives on task performance. She recruits 60 undergraduate business
2 answers
asked by
Jill
554 views
i have to do a project on balloon skewers. (search steve spangler science balloon skewer experiment)
can someone help me out:
4 answers
asked by
mike
544 views
I need to know what type(s) of research method this study used. In the study, participants were asked questions before and after
3 answers
asked by
Anonymous
554 views
write up a conrol group and a experimaental group
I will be happy to critique your work on this. You almost need a hypothesis to
1 answer
asked by
jessika
538 views
I'm having trouble figuring out what the independent and dependent variables are in the following experiment:
1.
1 answer
asked by
Zack
543 views
What is the purpose of control in a scientific experiment.
2 answers
asked by
Khaled
529 views
An experiment was conducted to determine the abrasion resistance of a new type of automobile paint. Twelve different strips of
2 answers
asked by
Nicky
542 views
A group of students decides to investigate weather adding crushed eggshells to soil will affect the pH level of the soil. The
3 answers
asked by
SoAestheticallyPleasing
525 views
A report says that the between-subjects factor of participants’ salary produced
significant differences in self-esteem. (a)
2 answers
asked by
jamie
510 views
Hi, tomorrow is my science practical and i need help with independent and dependent variables. PLEASE HELP
7 answers
asked by
Sheil
521 views
How to find independent and dependent variables
2 answers
asked by
M
489 views
Is X always the independent variable
2 answers
asked by
Anonymous
495 views
How do i design a controlled experiment using the vocabulary control,independent,and dependent variables, and the terms..
2 answers
asked by
Blayne
514 views
What is the sample size in this experiment?
How can you tell what the sample size is in this case? A team of researchers observed
1 answer
asked by
Jamie
502 views
A student adds different amounts of ice to four samples of water and records the change in temperature after 30 minutes.
What is
1 answer
asked anonymously
60 views
ssignment - 14. Lab: Variables, Hypothesis and Scientific Method
Attempt 1 of 1 QUESTION 1 OF 1 SECTION 1 OF 1 1 LAB: VARIABLES,
1 answer
asked anonymously
46 views
24. Identify a source of error for the experimental design of the cobalt(II)chloride system
3 answers
asked by
need helpp
497 views
Factors that can be changed in an experiment
2 answers
asked by
Tameerah
490 views
The ? variable is the part of the experiment that is affected by the independent variable
2 answers
asked by
Robert
496 views
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