What are examples of how a scientist use repeated trials and replication on conducting an experiment?

What are examples of how a scientist use repeated trials and replication on conducting an experiment?
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What is the sum of all the probabilities of trials of an experiment?

Description : What is the sum of all the probabilities of trials of an experiment?

Last Answer : What is the sum of all the probabilities of trials of an experiment?

Marketing researchers at Cumbria Ltd. repeated an experiment several times and discovered that the results produced each time were identical. This would suggest that the results were: A)reliable B)valid C)usable D)predictable E)compatible

Description : Marketing researchers at Cumbria Ltd. repeated an experiment several times and discovered that the results produced each time were identical. This would suggest that the results were: A)reliable B)valid C)usable D)predictable E)compatible

Last Answer : A)reliable

The principle of making use of greater homogeneity in groups of experimental units reduce the experimental error is (A) Local control (B) Experiment (C) Replication (D) Experiment Error

Description : The principle of making use of greater homogeneity in groups of experimental units reduce the experimental error is (A) Local control (B) Experiment (C) Replication (D) Experiment Error

Last Answer : (A) Local control

What Eratosthenes determine the circumference of Earth by conducting an experiment put his steps in order as they correlate to the scientific method?

Description : What Eratosthenes determine the circumference of Earth by conducting an experiment put his steps in order as they correlate to the scientific method?

Last Answer : Need answer

S.L. Miller an American scientist created electric discharge experiment in a closed flask containing `CH_(4),H_(2),NH_(3)` and water vapour at what te

Description : S.L. Miller an American scientist created electric discharge experiment in a closed flask containing `CH_(4),H_(2),NH_(3)` and water vapour at what te

Last Answer : S.L. Miller an American scientist created electric discharge experiment in a closed flask containing `CH_(4),H_(2),NH_ ... . `200^(@)C` D. `1000^(@)C`

Name the scientist, who first pointed out that plants purify foul air by bell jar experiment .

Description : Name the scientist, who first pointed out that plants purify foul air by bell jar experiment .

Last Answer : Joseph priestly

Who was the first scientist whose alpha particle scatterring experiment led him to conclude that the the nucleus of an atom contains a dense center of positive charge is?

Description : Who was the first scientist whose alpha particle scatterring experiment led him to conclude that the the nucleus of an atom contains a dense center of positive charge is?

Last Answer : The experiments were being done by Ernest Marsden, and HansGeiger, under the supervision of Ernest Rutherford.

In any good experiment the scientist needs to blank the hypothesis?

Description : In any good experiment the scientist needs to blank the hypothesis?

Last Answer : conclusion

Which of the following statement(s) is/are true concerning pharmacologic agents used to accelerate wound healing? a. A number of these agents are now currently approved for use in this country b. PDGF (platelet-derived growth factor) promotes fibroblast proliferation, chemotaxis, and collagenase synthesis c. PDGF has been demonstrated in a number of clinical trials to promote healing in chronic wounds d. Growth hormone functions by promoting fibroblast proliferation and collagen synthesis

Description : Which of the following statement(s) is/are true concerning pharmacologic agents used to accelerate wound healing? a. A number of these agents are now currently approved for use in ... healing in chronic wounds d. Growth hormone functions by promoting fibroblast proliferation and collagen synthesis

Last Answer : Answer: b, c Currently there are no approved clinical agents that accelerate normal healing. Although a number of clinical trials are in progress, no agents are currently ... hormone administration significantly accelerates donor site healing, presumably due to its effects in minimizing catabolism

A number of prospective clinical trials have addressed the role of total parenteral nutrition in the cancer patient. The results have been somewhat conflicting. Which of the following statement(s) have been proven correct by prospective trials? a. Preoperative TPN is beneficial in surgical patients with severe preoperative nutrition b. Postoperative TPN is of value following pancreatic resection c. Routine use of perioperative (including prior to the procedure) TPN is of benefit in patients undergoing hepatectomy for hepatoma d. TPN is of no benefit in patients undergoing bone marrow transplant

Description : A number of prospective clinical trials have addressed the role of total parenteral nutrition in the cancer patient. The results have been somewhat conflicting. Which of the following statement(s) ... hepatectomy for hepatoma d. TPN is of no benefit in patients undergoing bone marrow transplant

Last Answer : Answer: a, c Numerous clinical trials have failed to yield a consensus with regard to the efficacy of TPN in cancer patients. In 1991, a multicenter VA cooperative trial demonstrated ... patients receiving bone marrow transplantation has also been shown to be a valuable component of overall care

Given the fact that Minnesota law requires juries in all criminal trials to reach unanimous verdicts, do you really expect a guilty (or innocent) verdict in the Chauvin trial?

Description : Given the fact that Minnesota law requires juries in all criminal trials to reach unanimous verdicts, do you really expect a guilty (or innocent) verdict in the Chauvin trial?

Last Answer : I think he will be found guilty on all three counts, personally. 1st degree murder is premeditated. Guilty. 2nd degree is not. they are both intentional. Guilty. 3rd degree is manslaughter. Guilty. So ... involved to others. The risk must be of the type that any reasonable person would not ignore.

How and why do we compare drugs to standard of care during clinical trials?

Description : How and why do we compare drugs to standard of care during clinical trials?

Last Answer : I think it's useful to think separately about the % effectiveness of the new drug and the drug company's decision to produce it. The costs to finish bringing the new one drug to market might not have ... t get much use out the usual medication, or it needs a boost, ask your doctor about this kind.

Does anyone know anything about mock jury trials?

Description : Does anyone know anything about mock jury trials?

Last Answer : answer:If they told him up front that he'll be paid, it sounds legit to me. He can leave if it is not what he was told. There are legitimate companies that seek out ordinary citizens ... happens the defense paid attention to what the found and the prosecutors discounted the results. Guess who won.

Anyone have any experience getting paid to do online mock trials?

Description : Anyone have any experience getting paid to do online mock trials?

Last Answer : ive filled out forms to do it, never heard a thing

If Military Tribunals don't work for terror trials, why keep supporting them?

Description : If Military Tribunals don't work for terror trials, why keep supporting them?

Last Answer : Because we are forgetting this is a WAR! In a WAR there is an ENEMY. When the ENEMY is captured, he becomes a prisioner of WAR, and thus is tried as a WAR criminal. Why do we insist on giving ... trial, be it a military tribunal or not. When a soldier gets captured over there. Off with the head!!

NaNoWriMo has officially commenced. Care to share your progress, trials and tribulations? SUPPORT GROUP, HO!

Description : NaNoWriMo has officially commenced. Care to share your progress, trials and tribulations? SUPPORT GROUP, HO!

Last Answer : Who you callin’ ho? Right, so I have this idea. A group of kids survive a plane crash on an island

Free Trials vs Freemium: which works best when?

Description : Free Trials vs Freemium: which works best when?

Last Answer : It kinda depends. What’s the product?

Do you know of any good books about the Salem witch trials?

Description : Do you know of any good books about the Salem witch trials?

Last Answer : The Crucible by Arthur Miller (who actually got married to Marilyn Monroe in my school it was a synagogue before it became a school).

Are there any free trials for any Landscape designing software?

Description : Are there any free trials for any Landscape designing software?

Last Answer : answer:Yes, here is one for Realtime Landscape Plus 2.4: http://www.softpedia.com/get/Others/Home-Education/Realtime-Landscaping-Plus.shtml Here is another one for Better Homes and Gardens Software: http://www.b4ubuild.com/links/cadd.shtml

In which state did the famous Salem Witch Trials take place?

Description : In which state did the famous Salem Witch Trials take place?

Last Answer : Answer: Massachusetts.

What ultimately ended the Salem Witch Trials?

Description : What ultimately ended the Salem Witch Trials?

Last Answer : The colony’s governor ordered an end to the trials after his own wife was accused of witchcraft.

How many people were killed in the Salem Witch Trials?

Description : How many people were killed in the Salem Witch Trials?

Last Answer : Twenty people were executed for suspicion of witchcraft (usually by hanging, not burning at the stake), and five more died in jail.

Let n be the number of trials that an event E occurred and m be the total number of trials, then find the probability of the event E.

Description : Let n be the number of trials that an event E occurred and m be the total number of trials, then find the probability of the event E.

Last Answer : Let n be the number of trials that an event E occurred and m be the total number of trials, then find the probability of the event E.

How were trials in Athens similar to trials in the US today?

Description : How were trials in Athens similar to trials in the US today?

Last Answer : They were both jury trials, although in ancient Greece juriesnumbered in the hundreds and juries also acted as judges.

Some doubted that Sacco and Vanzetti receive fair trials because they were?

Description : Some doubted that Sacco and Vanzetti receive fair trials because they were?

Last Answer : immigrants.

Some doubted that Sacco and Vanzetti receive fair trials because they were?

Description : Some doubted that Sacco and Vanzetti receive fair trials because they were?

Last Answer : immigrants.

Trials for gene therapy in human beings were first carried out, with considerable success, in a genetic disease called (A) Cystic fibrosis (B) Thalassemia (C) Adenosine deaminase deficiency (D) Lesch-Nyhan syndrome

Description : Trials for gene therapy in human beings were first carried out, with considerable success, in a genetic disease called (A) Cystic fibrosis (B) Thalassemia (C) Adenosine deaminase deficiency (D) Lesch-Nyhan syndrome

Last Answer : Answer : C

Which of the following statement(s) is/are true concerning tumor necrosis factor (TNF)? a. TNF is a product of activated macrophages secreted in response to contact with endotoxin or lipopolysaccharide, antibody complexes, or inflammatory stimuli b. The liver and gut appear to be a major source of TNF following hypoperfusion c. Circulating levels of TNF correlate well with severity of tissue injury in shock d. Recently completed clinical trials of anti-TNF antibody in septic patients shows a marked improvement in survival

Description : Which of the following statement(s) is/are true concerning tumor necrosis factor (TNF)? a. TNF is a product of activated macrophages secreted in response to contact with endotoxin or ... completed clinical trials of anti-TNF antibody in septic patients shows a marked improvement in survival

Last Answer : Answer: a, b Tumor necrosis factor (TNF), a protein product of activated macrophages, is secreted in response to contact with endotoxin or lipopolysaccharide, antibody complexes, or ... patients utilizing infusion of monoclonal antibodies to the TNF molecule have shown no overall survival benefit

Which of the following statements regarding fibroblasts and their function in wound healing are true? a. IL-1 has both inhibitory and promotional effects on fibroblast growth b. TNFa stimulates fibroblast collagen synthesis c. IL-1 and TNFa have opposite effects on the healing of bone d. In human clinical trials, EGF (epithelial growth factor) has been demonstrated to accelerate epidermal regeneration in cutaneous wounds

Description : Which of the following statements regarding fibroblasts and their function in wound healing are true? a. IL-1 has both inhibitory and promotional effects on fibroblast growth b. TNFa ... EGF (epithelial growth factor) has been demonstrated to accelerate epidermal regeneration in cutaneous wounds

Last Answer : Answer: a, d IL-1 appears to be important in the process of normal wound repair. IL-1 has been shown to stimulate skin fibroblast and keratinocyte growth, as well as ... that recombinant EGF enhances keratinocyte migration. EGF is also a potent chemoattractant for granulation tissue fibroblasts

In the nutritional support of patients with cancer, which of the following statements is/are true? A. Nutritional support benefits the patient's lean body mass but does not enable the tumor to grow. B. In experimental animals, the growth of implanted tumors is directly proportional to the amount of calories and protein supplied. C. Prospective randomized trials of nutritional support utilizing chemotherapy and radiation therapy have revealed benefits to patients receiving total parenteral nutrition. D. Studies of nutritional support for patients with cancer about to undergo surgery revealed decreased morbidity and mortality, especially morbidity from sepsis.

Description : In the nutritional support of patients with cancer, which of the following statements is/are true? A. Nutritional support benefits the patient's lean body mass but does not enable ... with cancer about to undergo surgery revealed decreased morbidity and mortality, especially morbidity from sepsis.

Last Answer : Answer: B DISCUSSION: The problem with the patient with cancer is a very vexing one. Clearly, one of the metabolic effects of cancer, cachexia, affects patients in the last quartile ... undoubtedly reveal that there are certain nutrients that tumors require, which probably should be best avoided

Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or SIRS. B. A cardiac index (CI) of 6 liters per minute per square meter of body surface, a pulmonary capillary wedge pressure of 15 mm. Hg, and a systemic vascular resistance index (SVRI) of 800 dynes-sec/(cm 5-m 2) is a hemodynamic profile consistent with septic shock. C. An increase in SvO 2 in septic patients may be explained by the finding of anatomic arteriovenous shunts. D. Results of human trials employing antimediator therapy, such as antiendotoxin antibodies, IL-1 receptor antagonist, and tumor necrosis factor (TNF) antibodies, have confirmed animal studies that demonstrate a significant im

Description : Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or ... animal studies that demonstrate a significant improvement in survival with the use of such agents.

Last Answer : Answer: AB DISCUSSION: Shock due to sepsis or SIRS frequently manifests as a hyperdynamic cardiovascular response, consisting of an elevated CI and a decreased SVR or SVRI. Occasionally, ... been encouraging thus far in human clinical trials, despite the promising results from many animal studies

Geriatric population should be included in the following Phase of clinical trials (A) Phase I (B) Phase II (C) Phase III (D) Phase

Description : Geriatric population should be included in the following Phase of clinical trials (A) Phase I (B) Phase II (C) Phase III (D) Phase

Last Answer : (B) Phase II

Which of the following statements best describes a lead compound? a) A compound that contains the element lead b) A compound from the research laboratory that is chosen to go forward for preclinical and clinical trials. c) A molecule that shows some activity or property of interest and serves as the starting point for the development of a drug. d) The first compound of a structural class of compounds to reach the market.

Description : Which of the following statements best describes a lead compound? a) A compound that contains the element lead b) A compound from the research laboratory that is chosen to go forward for preclinical and ... of a drug. d) The first compound of a structural class of compounds to reach the market.

Last Answer : c) A molecule that shows some activity or property of interest and serves as the starting point for the development of a drug.

GCP are seen in all of the following except a) Phase I trial b) Phase II trial c) Preclinical trials d) Phase IV trial

Description : GCP are seen in all of the following except a) Phase I trial b) Phase II trial c) Preclinical trials d) Phase IV trial

Last Answer : c) Preclinical trials 

What are Good Clinical Practices? a. Regulations set in place by Government that how clinical trials are supposed to be managed. b. Clinical practices that adhere to the best standards of care. c. Widely accepted standards of practice during clinical trials d. The FDA’s requirements for how trials are conducted and documented

Description : What are Good Clinical Practices? a. Regulations set in place by Government that how clinical trials are supposed to be managed. b. Clinical practices that adhere to the best standards of ... practice during clinical trials d. The FDA's requirements for how trials are conducted and documented

Last Answer : d. The FDA’s requirements for how trials are conducted and documented 

Average time period for phase II clinical trials study is ___________ a) Upto 4 year b) Upto few month c) Upto Two year d) Upto several year

Description : Average time period for phase II clinical trials study is ___________ a) Upto 4 year b) Upto few month c) Upto Two year d) Upto several year

Last Answer : c) Upto Two year 

1. What is deficit financing? 2. Which snake is not poisonus? 3. Which State has no Panchayati Raj Institution at all? 4. Where is the Main hunting ground for blue whales located? 5. Where did the INA trials took place?

Description : 1. What is deficit financing? 2. Which snake is not poisonus? 3. Which State has no Panchayati Raj Institution at all? 4. Where is the Main hunting ground for blue whales located? 5. ... blood calcium and phosphate ? 19. Which State does not cultivate wheat? 20. Who wrote the Kalpasutra ?

Last Answer : Answer : 1. Spending in excess of revenue 2. Pythen 3. Nagaland 4. Arctic Ocean 5. Red Fort, Delhi 6. Parallel to the axis 7. 1970 8. Seafarer 9. Atlantic Ocean 10. Acharya ... . Dharma Chakara Pravartana Sutra16. Income 17. Chikmagalur district 18. Parathyroid hormone 19. Tamil Nadu 20. Bhadrabahu

Repeated use of which one of the following fertilizers would increase the acidity of the soil?

Description : Repeated use of which one of the following fertilizers would increase the acidity of the soil?

Last Answer : Repeated use of which one of the following fertilizers would increase the acidity of the soil? A. ... . Ammonium sulphate C. Potassium nitrate D. Urea

Repeated use of which one of the following fertilizers would increase the acidity of the soil?

Description : Repeated use of which one of the following fertilizers would increase the acidity of the soil?

Last Answer : Repeated use of which one of the following fertilizers would increase the acidity of the soil? A. ... . Ammonium sulphate C. Potassium nitrate D. Urea

Why does a rubber band become loose after repeated use?

Description : Why does a rubber band become loose after repeated use?

Last Answer : Why does a rubber band become loose after repeated use?

Which statement is valid about interpreter? A) It translates one instruction at a time B) Object code is saved for future use C) Repeated interpretation is not necessary D) All of above

Description : Which statement is valid about interpreter? A) It translates one instruction at a time B) Object code is saved for future use C) Repeated interpretation is not necessary D) All of above

Last Answer : Answer : B

‘Why excessive heating and repeated use of cooking oil are most undesirable? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Description : ‘Why excessive heating and repeated use of cooking oil are most undesirable? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Last Answer : (2) Carcinogenic substances like benzpyrene are produced Explanation: Repeated use of cooking oil at high temperatures will cause the hydraulic fat into free fatty acids are easily oxidized, so ... experts recommend eating foods that contain saturated fat less than 10 percent of the daily intake.

Which statement is valid about interpreter? a. It translates one instruction at a time b. Object code is saved for future use c. Repeated interpretation is not necessary d. All of above

Description : Which statement is valid about interpreter? a. It translates one instruction at a time b. Object code is saved for future use c. Repeated interpretation is not necessary d. All of above

Last Answer : It translates one instruction at a time

Which statement is valid about interpreter? a. It translates one instruction at a time b. Object code is saved for future use c. Repeated interpretation is not necessary d. All of above

Description : Which statement is valid about interpreter? a. It translates one instruction at a time b. Object code is saved for future use c. Repeated interpretation is not necessary d. All of above

Last Answer : a. It translates one instruction at a time

Zolpidem differs from diazepam in that: A. It is safer in overdose than diazepam B. Its hypnotic action shows little fading on repeated nightly use C. It causes more marked suppression of REM sleep D. It has more potent muscle relaxant action

Description : Zolpidem differs from diazepam in that: A. It is safer in overdose than diazepam B. Its hypnotic action shows little fading on repeated nightly use C. It causes more marked suppression of REM sleep D. It has more potent muscle relaxant action

Last Answer : B. Its hypnotic action shows little fading on repeated nightly use

Which of the following constitutes ‘drug abuse’: A. Physician prescribed use of penicillin G for the cure of viral fever B. Self administration of aspirin to relieve headache C. Repeated self administration of morphine to derive euphoria D. All of the above

Description : Which of the following constitutes ‘drug abuse’: A. Physician prescribed use of penicillin G for the cure of viral fever B. Self administration of aspirin to relieve headache C. Repeated self administration of morphine to derive euphoria D. All of the above

Last Answer : C. Repeated self administration of morphine to derive euphoria

Which of the following constitutes ‘drug abuse’: A. Physician prescribed use of penicillin G for the cure of viral fever B. Self administration of aspirin to relieve headache C. Repeated self administration of morphine to derive euphoria D. All of the above

Description : Which of the following constitutes ‘drug abuse’: A. Physician prescribed use of penicillin G for the cure of viral fever B. Self administration of aspirin to relieve headache C. Repeated self administration of morphine to derive euphoria D. All of the above

Last Answer : D. Differ from each other in the degree of attendant psychological dependence

‘Why excessive heating and repeated use of cooking oil are most undesirable ? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Description : ‘Why excessive heating and repeated use of cooking oil are most undesirable ? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Last Answer : Carcinogenic substances like benzpyrene are produced

Why excessive heating and repeated use of cooking oil is most undesirable? (1) The oil vapours can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Description : Why excessive heating and repeated use of cooking oil is most undesirable? (1) The oil vapours can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Last Answer :  Carcinogenic substances like benzpyrene are produced