# What condition is needed for an experiment to have useful data?

21,092 results
1. ## Science

What condition is needed for an experiment to have useful data
2. ## Science

What condition is needed for an experiment to have useful data?
3. ## Science

What condition is needed for an experiment to have useful data?
4. ## Science

What condition is needed for an experiment to have useful data?
5. ## psychology

HYPOTHETICAL EXPERIMENT: You, as an eager young behavioral scientist, have noted that many people don't wash their hands when they are in a public rest room, unless there is someone there who they believe is watching them. Because you are very aware of the
6. ## science

After the experiment, scientists orginize and ? te data? records the data I started to be a smart alec and put "massage" the data. :) Report the data would fit here also. Technically, we should record the data in the process of doing the experiment. If we
7. ## chemistry

An experiment was conducted in which many pieces of data were collected. Considering all of the data, the limiting number of significant figures in the experiment was 3 significant figures. One of the values needed in these calculations was the barometric
8. ## math

On the basis of data collected during an experiment, a biologist found that the growth of a fruit fly (Drisophila) with a limited food supply could be approximated by the exponential model below where t denotes the number of days since the beginning of the
9. ## Calculus

On the basis of data collected during an experiment, a biologist found that the growth of a fruit fly (Drisophila) with a limited food supply could be approximated by the exponential model below where t denotes the number of days since the beginning of the
10. ## Psychology

Hello, I am in need of help with a psychology question. Here is the information that was provided: Psychologists use field observations, laboratory experiments, and other methods to gather data relevant to their research questions. When sufficient data
11. ## science

I have a science experiment and I'm not sure how to do this or have all the materials to do it can anyone help? For this portfolio, you will design an experiment to investigate the relationship between the number of coil loops and a strength of a solenoid.
12. ## Science

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 this experiment. And how to make a data table. Directions: 1. Design an experiment to support the hypothesis that light travels
13. ## Sciene

Portfolio: you will design an experiment to investigate the relationship between the number of coil loops and the strength of a solenoid. One you have an experiment plan, carry out your experiment and record data. After finishing conducting experiment,
14. ## Statistics

Which of the following is not an assumption or condition that needs to be checked for the one-proportion z-interval? A) Success/Failure Condition B) > 10% condition C) Independence D) < 10% Condition E) Randomization Is the answer C?
15. ## biology can someone check

Decide if each of the following statements is true.If it is not rewrite the parentheses part to make it true. 1) Scientific methods include observation,(forming a hypothesis, and experiment). ans: false ;answer questions; solve problems 2)A statement that
16. ## Science

Portfolio: you will design an experiment to investigate the relationship between the number of cool loops and the strength of a solenoid. Once you have an experiment plan carry out your experiment and record your data. After you have finished conducting
17. ## Science

You will be designing and carrying out your own experiment to investigate the effect different forces have on an object’s motion. The experiment you design should test at least one of the forces that affect motion that you have learned about in this
18. ## Psychology

Hello, I am in need of help with a psychology question. Here is the information that was provided: Psychologists use field observations, laboratory experiments, and other methods to gather data relevant to their research questions. When sufficient data
19. ## Science

PLEASE DO NOT THINK I AM CHEATING AND ASKING FOR ANSWERS. DO NOT LECTURE ME, I AM SIMPLY ASKING WHAT IN THE HELL THIS MEANS: Collecting and Analyzing Data There are two types of observations: qualitative and quantitative. Qualitative observations use words
20. ## statistics

Researchers investigated the effects of encoding conditions on subsequent memory for a list of words. Participants were assigned to one of three encoding conditions: 1) saw list of nouns they were asked to remember (word alone condition), 2) list of words
21. ## chemistry

A Biology student wants to know if Mountain Dew will make plants grow faster than water. As a Chemistry student, you have agreed to assist in the planning of the experiment to make sure the student designs a valid experiment. 1) What is the experimental
22. ## MIPS Assembly programming

Hi there, I need to implement in assembly mips an iterative binary search method. Here's my code: # this program implements binary search # the equivalent pseudo code is the following: # first = 0 # last = size -1 # while (last - first > 1) { # mid =
23. ## Science

If an experiment disproves a scientists hypothesis, what should the scientist do next? A. develop a testable question B. revise the hypothesis and try the experiment again. C. develop a theory based on the data gathered in the experiment D. change the
24. ## physics

the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why?
25. ## Science

Several hypotheses may fit every set of data. what is important to know when you hear about a new scientific finding? NUmber the following in order of their importance. __ who paid for the research? __ the education of the scientist completing the study __
26. ## Science

I have to make an experiment that supports the hypothesis that light travels in straight lines except at the point it enters a new medium and i was wondering if somebody could help me out by sending some links for ideas because ive been stuck for a while
27. ## Algebra 2

The temperature of a liquid during an experiment can be modeled by the function f(x)=3.8cos(πx20)+2.2 , where f(x) is the temperature in °C and x is the number of minutes into the experiment. What is the lowest temperature the liquid reached during the
28. ## Science 8A Electromagnetism

Hi, Umm, can someone give me an example because I'm kind of confused. I need help! Please help me! For this portfolio, you will design an experiment to investigate the relationship between the number of coil loops and a strength of a solenoid. Once you
29. ## Work like a scientist

If an experiment disproves a scientists hypothesis,what should the scientist do next? A.)Develop a testable question. B.) Revise the hypothesis and try the experiment again. C.)Develop a theory based on the data gathered in the experiment. D.)Change the
30. ## Science

If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the
31. ## science

If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the
32. ## science

If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the
33. ## Science

If an experiment disproves a scientist’s hypothesis, what should the scientist do next? Develop a testable question. Revise the hypothesis and try the experiment again.*** Develop a theory based on the data gathered in the experiment. Change the
34. ## Science

If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the

put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry that

I put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry
37. ## Math

I am stumped and confused can someone help? The following data set gives the difference between the winning and losing scores in 50 randomly observed high school basketball games: 2, 12, 1, 2, 12, 5, 14, 2, 45, 9, 1, 8, 18, 28, 9, 4, 30, 16, 4, 12, 8, 13,
38. ## Biology

(How would I go about doing this?) Design an experiment that tests the effect of different concentrations of carbon dioxide on the rate of photosynthesis. 1. A specific question easily measurable and clearly stated 2. A hypothesis that is clearly stated
39. ## Science

A cylinder and an airtight piston are used in the following experiment. The piston is pushed up and down in the cylinder and the resulting pressure of the air inside the cylinder is measured with a pressure gauge. The results of the experiment are recorded
40. ## Science

Scientific investigations involve many steps and processes. Which characteristics define a laboratory experiment? A. hypothesis, models, and calculations B. test variables, data, and uncontrolled conditions C. data, conclusions, and unregulated environment
41. ## earth science

#26 An inference is_____ A" using your sense to gather data B" a conclusion mad based on data C" a prediction about the results of an experiment D" a persons feeling or judgment about something
42. ## chemistry

A student graphs the data from the experiment to determine how pH affects reaction rate and finds that the slope of a line through the data for pH = 7 is 5 seconds per absorbance unit. What has he/she done wrong?
43. ## chemistry

Ethanol was used in the solutions to help dissolve the acetylsalicylic acid. Ethanol is slightly acidic, and will react with NaOH. Describe a blank correction experiment; i.e., what experiment you might do to determine how much NaOH reacts with the ethanol

For an experiment on specific heat capacities my data for measured specifi heats was consistently higher than the accepted values. I am not sure why this is. Would it be because my initial temperature that I started the experiment with was higher than it
45. ## trig

A 600,000-cell bacteria culture is needed for a lab experiment, but you only could purchase 1,000 cells. If the cells double each day, exactly how long will it be before the experiment can be run? Create a model for the bacteria. If the experiment is in

Hi, so I did the coin drop experiment. I finished project, wrote my hypothesis, my data, my observations, and my conclusion. What I need help is that in this experiment I don't know which on is the independent and dependent variable. That's all I need. Can
47. ## Chemistry

Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really
48. ## chemistry

Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really
49. ## Chemistry

1) For a freezing point depression experiment we had to create an ice bath and add salt to the ice. I have to answer the question, why was salting the ice necessary in order to complete the experiment and how does this apply to the principles/concepts
50. ## biomechanics

Consider an experiment where a subject lands during two conditions from a height of 0.2 m. During the first landing condition, the subject lands 'stiffly' (e.g., very little knee flexion). During the second landing condition, the subject lands 'softly'
51. ## Math

Suppose 1% of the population is known to have a medical condition. There is a test for the condition, and 80% of people with the condition test positive for it. Also, 10% of people without the condition test positive for it. Follow these steps to find the
52. ## cp biology

include the following vocabulary when completing the concept map. be sure to PLACE THE WORDS in the correct step of the scientific method, and DISCUSS what occurs at each step. words: qualitative data quantitative data independent variable data analysis/
53. ## statistic

Explain the transformation needed to convert the following data to a linear data set. {(1,0.98), (2,1.39), (3,1.71), (4, 1.98), (5,2.22), (6,2.43)
54. ## Pyschology

can anyone help me with this. I can't think of anything or explain to me. Post an example of a simple experiment of your own creation by following this format: I would like to investigate the effects of _____________ on this behavior: _____________. Half
55. ## Psychology

can anyone help me with this. I can't think of anything or explain to me. Post an example of a simple experiment of your own creation by following this format: I would like to investigate the effects of _____________ on this behavior: _____________. Half
56. ## statistic

Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)
57. ## statistic

Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)
58. ## statistics

9. Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)
59. ## statistic

Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)
60. ## intro to software development

I have aa assignment that asks to identify three processes or capapbilities needed to track of home dvd and and cd collection. identify the input data required for each process, and identify a logical name for each data outputitem and type of data out put.
61. ## marketing

The marketing manager at Massimino & McCarthy, a chain of retail stores that sells men's clothing, is reviewing marketing research data to try to determine if changes in marketing strategy are needed. Which of the following sources of data would be a
62. ## Chemistry

Hoffmans apparatus find out the energy available per mole of water if it is split into h2 and o2 Data 1 mol of gas at NTP is 24.5l 31.2ml of _______ 62.4ml of _______ it looks like this question comes from a lab experiment. You have not provided all the
63. ## Science

Imagine you designed an experiment that investigated the effect of feeding yeast cells different concentrations (0, 5, 10, 15, 25%) of sugar solutions. The yeast used the sugar to do cellular respiration and make CO2 as a waste product. The volume of CO2
64. ## Chemistry

Experiment 1: A has .20 M, B has .20 M and the initial rate is 2.0*10^-4M/min Experiment 2: A has .20 M, B has .40 M, and the initial rate is 8.0*10^-4M/min Experiment 3: A has .40 M, B has .40 M, and the initial rate is 1.6*10^-3M/min Using the data
65. ## Math

Explain how you would design a research study to compare the effectiveness of two weed killers. Both weed killers A and B are known to be effective but it is not known which is more effective and on what type of weeds. Weeds can be broadly classified into
66. ## math 157

The following data set lists the number of letters in the first 50 words in a newspaper article: 2, 5, 5, 9, 4, 4, 6, 7, 7, 6, 6, 6, 2, 5, 10, 7, 7, 6, 3, 5, 3, 2, 3, 3, 5, 4, 3, 4, 6, 5, 5, 6, 3, 2, 6, 4, 3, 5, 5, 7, 2, 3, 5, 5, 5, 7, 3, 2, 10, 3 a. Make
67. ## physics

does anyone know who conducted the experiment or a credible description of the experiment that helped prove Einstein's thought experiment: the twin paradox? as in the experiment in which one cesium-beam atomic clock stays on Earth, while another one takes
68. ## lab....

when doing a lab you need an anayliss, but what is it and how do I make it like what do I need to put into my analysis? In the "analysis" part of a scientific experiment, you take the data you have collected and use it to answer whatever question or
69. ## SCIENCE

1. WHICH OF THE FOLLOWING IS MOST LIKELY TO RESULT IN A SCIENTIST DRAWING WRONG CONCLUSIONS? A. CONDUCTING A DOUBLE-BLIND TEST B. CONDUCTING A CONTROLLED EXPERIMENT C. PREVENTING OPINIONS FROM AFFECTING DATA COLLECTION D. GATHERING DATA FOR A BRIEF PERIOD
70. ## Statistics

4. The data below are from an independent-measures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Σ X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance with α of .05
71. ## general inorganic biochemistry

you have set up the apparatus for this experiment and collected the following data: Atmospheric pressure- 721.o torr temperature-22.0c Gas constant- 0.0821 L atm/mol K you then ran the experiment using 0.3234 g of alka seltzer and generated a volume of CO2
72. ## Statistics

4. The data below are from an independent-measures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Ó X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance with á of .05 to
73. ## PLS HELP NUTRITION

IRON DEFICIENCY ANEMIA PLEASE GIVE ME SOME IDEAS:) I HAVE MANY LINKS ALREADY Identify a government policy or health information that would have resulted from research of this condition or been developed to prevent this condition. How effective are the
74. ## Food and Nutrition

IRON DEFICIENCY ANEMIA PLEASE GIVE ME SOME IDEAS:) I HAVE MANY LINKS ALREADY Identify a government policy or health information that would have resulted from research of this condition or been developed to prevent this condition. How effective are the
75. ## Math

Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after 3 minutes; 90º C after 5 minutes, 84.8 C after 9 minutes; 70.2º C after 18 minute; 54.4º C after 30 minutes; 42.5ºC after
76. ## algebra 1

Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after 3 minutes; 90º C after 5 minutes, 84.8 C after 9 minutes; 70.2º C after 18 minute; 54.4º C after 30 minutes; 42.5ºC after
77. ## Science

An experiment always starts with: data collection or theory or group selection or randomization. I have you ask a question then do background research....so does that mean the answer to the question would be data collection? Sorry
78. ## Science

So I'm in 7 grade and doing a science project. I have a question: What does it mean when it says: RESEARCH? I am required to have this on my board. Does it mean what I looked up to help me on this project? Also, what does it mean when it says: DATA? Do I
79. ## Data

Research South Carolina for data that is commonly used in health services systems. This includes census data, vital statistics data (birth, deaths, marriages, and divorces), surveillance data, administrative data, and survey research data. Keep in mind
80. ## Biology

A biology student is studying ways to grow crops in soils that are high in salts and other dissolved solids. To determine whether corn plants can tolerate salty soil conditions, she grows one corn plant in typical non-salty soil and one corn plant in the
81. ## SCIENCE-URGENT

So I'm in 7 grade and doing a science project. I have a question: What does it mean when it says: RESEARCH? I am required to have this on my board. Does it mean what I looked up to help me on this project? Also, what does it mean when it says: DATA? Do I
82. ## Science

Which of the following is true? Mark all that apply. A. a hypothesis can be proved incorrect through experiment B. conclusions cannot disprove a hypothesis C. conclusions are made based on the analysis of data D. opinion is used to analyze data Is it A and
83. ## Biology HELP!

Which of the following is true? Mark all that apply. (2 points) A hypothesis can be proved incorrect through experiment. Conclusions cannot disprove a hypothesis. Conclusions are made based on the analysis of data. Opinion is used to analyze data. A/D
84. ## Math

In Example 2, find the percent of the total and the number of degrees in each sector for mountains, theme parks, relatives, and other. Find the median of the data set in Example 3. In which category does it fall? Find the average unemployment rate for
85. ## philosophy

In the conditional "P ¨ Q," "Q is a sufficient condition for Q. sufficient condition for P. necessary condition for P. X necessary condition for Q.
86. ## Chemistry

For the reaction 4A (g)+3B (g)=C(g) the following data were obtained at constant temperature: Experiment- 1. Initial (A) (mole/L) 0.0500, 01000, 01000 , 0.0500 2. Initial (B) (mole/L) 0.0500, 0.0500, 0.1000, 0.0500 3. Initial (C)(mole/L) 0.0100, 0.0100,
87. ## math 3

A doctor has assigned the following chances to a medical procedure. full recovery 55% condition improves 24% no change 17% condition no change 4% condition worsens Suppose the procedure is performed on 5 patients. Assume that the procedure is independent
88. ## biology

Jane is diabetic. How does this meal affect her condition and what interventions may be needed to return her body to homeostasis
89. ## algebra 1

*I have asked countless people to help me with this story problem and nobody seems to know how to do it! Please help! Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after 3
90. ## Physics

A very important experiment was carried out at the end of the 1800’s involving testing for the speed of the earth through the ether. (a) State the name of this experiment (b) Describe why the light beams are perpendicular to each other at one stage of
91. ## LAW

Jana finds a home priced at \$180,000 that she would like to buy. She is concerned, however, about her ability to get a loan. Accordingly, she and the seller reach agreement that Jana will buy the home if she can get a loan for \$180,000 within 45 days. What
92. ## chemistry

In a certain experiment, the rate constant, k, was measured as a function of the temperature, T.  Two data points were as follows: (A) 25°C, 1.1 x 10–5 min–1, and (B) 225°C, 2.4 x 10-2 min–1. The student who performed the experiment then plotted
93. ## science

Examine the situation. Lloyd is studying the effect of breakfast cereal on the health of rats. He suspects that the cereal may be unhealthy. He feeds rats various amounts of breakfast cereal over a six-week period. He weighs the rats using a digital lab
94. ## REGENTS(PRACTICE)

A scientist wants to determine the best conditions for hatching brine shrimp eggs. In a laboratory, brine shrimp hatch at room temperature in glass containers of salt water. The concentration of salt in the water is known to affect how many brine shrimp
95. ## chem

In order for a precipitation reaction to occur the product must be insoluble. However in an experiment we formed precipitates of two compounds, KNO3 and NaCl which are soluble? How did this occur? What was the forcing condition in each case?
96. ## AED

Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain
97. ## scince conditon

I don't know if its a scicnce condition question though but.If u have a condition called scoliosis which is have a condition with ur back that 1 of ur solider blades is bigger than the other and the spine is curved from not rlly sitting up staright at all
98. ## physics lab

The experiment done in lab is repeated, using a ball that has unknown mass m. You plot your data in the form of f 2 versus M/L, with f in rev/s, M in kg, and L in m. Your data falls close to a straight line that has slope 7.82 m/(kg · s2). Use g =
99. ## Chemistry

In a thermochemistry experiment the reaction of 0.0857 g of an unknown metal and an excess of 4.0 M HCl resulted in a 0.210 mL decrease in the volume of an ice/water mixture. Calculate the enthalpy of this reaction per 1 g of metal reacted. Needed data:
100. ## science i really really need help

Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber in which there is a gradient in light intensity from one end (dark) to the other (brightly lit). The experimental hypothesis was