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Researchers in the Department of Materials Science and Engineering at a universi
Researchers in the Department of Materials Science and Engineering at a university have invented a technique that rapidly detects traces of TNT. The method, which involves shining…
Researchers in the corporate office of an airline wonder if there is a significa
Researchers in the corporate office of an airline wonder if there is a significant difference between the cost of a flight on Priceline.com vs. the airline's own website. A random…
Researchers in the corporate office of an airline wonder if there is a significa
Researchers in the corporate office of an airline wonder if there is a significant difference between the cost of a flight on Priceline.com vs. the airline's own website. A random…
Researchers in toxicology study were interested in evaluating the effects of air
Researchers in toxicology study were interested in evaluating the effects of air pollution on vasoconstriction of small pulmonary arteries in rats. Also, they wanted to know if th…
Researchers interested in the relationship between absenteeism from school and c
Researchers interested in the relationship between absenteeism from school and certain demographic characteristics of children collected data from 135 randomly sampled students in…
Researchers interviewed 49 MZ (identical) and 50DZ (fraternal) pairs of twins in
Researchers interviewed 49 MZ (identical) and 50DZ (fraternal) pairs of twins in which one had Parkinson disease, asking about lifetime exposure to six chemical solvents that case…
Researchers interviewed college students in the United States and Europe. The me
Researchers interviewed college students in the United States and Europe. The mean age of 81 United States college studentswas 21with a standard deviation of 6. The mean age of 92…
Researchers investigate the effect of two drugs on patient reported quality of l
Researchers investigate the effect of two drugs on patient reported quality of life (higher scores indicate higher quality.) Participants were randomized to receive one of the two…
Researchers investigated the ability of individuals to digest or metabolize diff
Researchers investigated the ability of individuals to digest or metabolize different amounts of the drug, flutamide, which is a drug used to treat prostate cancer. The diagram be…
Researchers investigated the effectiveness of oral zinc, as compared to a placeb
Researchers investigated the effectiveness of oral zinc, as compared to a placebo, in reducing the duration of the common cold when taken within 24 hours of the onset of symptoms.…
Researchers investigated the long term impact of non alcoholic fatty liver disea
Researchers investigated the long term impact of non alcoholic fatty liver disease (NAFLD) in terms of mortality utilizing data from The Nation Health and Nutrition Examination Su…
Researchers investigated the nutritional content of eggs that were randomly sele
Researchers investigated the nutritional content of eggs that were randomly selected from chickens raised in four different types of housing: cage, barn, organic. The eggs were al…
Researchers investigated the possible beneficial effect on heart health of drink
Researchers investigated the possible beneficial effect on heart health of drinking black tea and whether adding milk to the tea reduces any possible benefit. Twenty-four voluntee…
Researchers investigated the speed with which consumers decide to purchase a pro
Researchers investigated the speed with which consumers decide to purchase a product The researchers theorized that consumers with last names that begin with letters later in the …
Researchers investigated whether increased body mass index was a risk factor for
Researchers investigated whether increased body mass index was a risk factor for prostate cancer. In the Health Professionals Follow-Up Study, 51,529 male US health professionals …
Researchers investigated whether insomnia is related to education status. Adults
Researchers investigated whether insomnia is related to education status. Adults living in a certain region were selected to participate in the study using a random-digit telephon…
Researchers investigated whether insomnia is related to education status. Adults
Researchers investigated whether insomnia is related to education status. Adults living in a certain region were selected to participate in the study using a random-digit telephon…
Researchers investigated whether instructor ratings posted on a website (WEB) ar
Researchers investigated whether instructor ratings posted on a website (WEB) are cormelated with the formal in-class student evaluations of teaching (SET) hat all universities ar…
Researchers investigated whether playing video games affected students\' perform
Researchers investigated whether playing video games affected students' performance in class. Researchers compared two groups of students, those whose parents allowed them to play…
Researchers involved in clinical trials for a new anti-depressant drug, drug J,
Researchers involved in clinical trials for a new anti-depressant drug, drug J, suspect that the drug may be having side effects and could be addictive. They decide to investigate…
Researchers know that the average level of test anxiety is 70 (=10.05). Sally’s
Researchers know that the average level of test anxiety is 70 (=10.05). Sally’s level of test anxiety is 50. Sally wants to know if she has a “normal” amount of test anxiety. List…
Researchers know that the average rate of violence within intimate relationships
Researchers know that the average rate of violence within intimate relationships is 20 men or women per minute in the US (SD=2.47), according to the National Coalition against Dom…
Researchers know that the average test of anxiety is 70. Sally level of anxiety
Researchers know that the average test of anxiety is 70. Sally level of anxiety is 50 . Sally wants to know if she has a minimal amount of test anxiety. what is the independent va…
Researchers looked into the effect that sleep had on exercise endurance since st
Researchers looked into the effect that sleep had on exercise endurance since studies have shown that substantial sleep has a positive effect on exercise performance. A sample of …
Researchers maintained ducks on a low (0.018%, open circles in the graph), norma
Researchers maintained ducks on a low (0.018%, open circles in the graph), normal (0.4%, closed circles in the graph) or high (1.9%, open triangles in the graph) sodium diet for 8…
Researchers measured fat gain (in kilograms) and, as an explanatory variable, in
Researchers measured fat gain (in kilograms) and, as an explanatory variable, increase in energy use (in calories) from activity other than deliberate exercise - fidgeting, daily …
Researchers measured skulls from different time periods in an attempt to determi
Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below (based on data from Ancient …
Researchers measured skulls from different time periods in an attempt to determi
Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below. Assume that both samples ar…
Researchers measured skulls from different time periods in an attempt to determi
Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below. Assume that both samples ar…
Researchers measured skulls from different time periods in an attempt to determi
Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below. Assume that both samples ar…
Researchers measured skulls from different time periods in an attempt to determi
Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below. Assume that both samples ar…
Researchers measured the average blood alcohol concentration C ( t ) of eight me
Researchers measured the average blood alcohol concentration C(t) of eight men starting one hour after consumption of 30 mL of ethanol (corresponding to two alcoholic drinks). (Ro…
Researchers measured the body temperature of an individual western terrestrial g
Researchers measured the body temperature of an individual western terrestrial garter snake (Snake; orange line) throughout a day in its natural habitat. They simultaneously quant…
Researchers measured the cholesterol levels in mg per 100 mL for 50 participants
Researchers measured the cholesterol levels in mg per 100 mL for 50 participants. The participants were randomly selected from two age groups: under 50 years, or 50+ years. 1. Wha…
Researchers measured the cholesterol levels in mg per 100 mL for 52 participants
Researchers measured the cholesterol levels in mg per 100 mL for 52 participants. The participants were randomly selected from two age groups: under 50 years, or 50+ years 1. What…
Researchers measured the cholesterol levels in mg per 100 mL for 52 participants
Researchers measured the cholesterol levels in mg per 100 mL for 52 participants. The participants were randomly selected from two age groups: under 50 years, or 50+ years 1. What…
Researchers measured the data speeds for a particular smartphone carrier at 50 a
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 74.5 Mbps. The complete list of 50 data speeds has a mean o…
Researchers measured the data speeds for a particular smartphone carrier at 50 a
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 77.6 Mbps. The complete list of 50 data speeds has a mean o…
Researchers measured the data speeds for a particular smartphone carrier at 50 a
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 73.3 Mbps. The complete list of 50 data speeds has a mean o…
Researchers measured the data speeds for a particular smartphone carrier at 50 a
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 73.3 Mbps. The complete list of 50 data speeds has a mean o…
Researchers measured the data speeds for a particular smartphone carrier at 50 a
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 73.6 Mbps. The complete list of 50 data speeds has a mean o…
Researchers measures two variables for each of the 331 quarterbacks drafted betw
Researchers measures two variables for each of the 331 quarterbacks drafted between 1970 and 2007: Draft position (top 10, between picks 11-50, or after pick 50) and QB production…
Researchers measuring family dysfunction find that there is a mean of 21.50 and
Researchers measuring family dysfunction find that there is a mean of 21.50 and a standard deviation (SD) of 3.50 on a scale that ranges from 1 to 35. Using this information, comp…
Researchers mixed two plates of cells, one being ovarian follicle granulosa cell
Researchers mixed two plates of cells, one being ovarian follicle granulosa cells and the second cardiac muscle cells (which contract in response to norepinephrine). They noticed …
Researchers mixed two plates of cells, one being ovarian follicle granulosa cell
Researchers mixed two plates of cells, one being ovarian follicle granulosa cells and the second cardiac muscle cells (which contract in response to norepinephrine). They noticed …
Researchers must obtain Informed Consent from all human participants in a resear
Researchers must obtain Informed Consent from all human participants in a research study. Informed Consent requires that participants are informed of the following (check all that…
Researchers must obtain Informed Consent from all human participants in a resear
Researchers must obtain Informed Consent from all human participants in a research study. Informed Consent requires that participants are informed of the following (check all that…
Researchers need to use multiple methods of evaluating secondary data. Which one
Researchers need to use multiple methods of evaluating secondary data. Which one of the following is NOT a method of evaluating secondary data? a. Evaluate how the information was…
Researchers often use a method called an experiment in order to study the causes
Researchers often use a method called an experiment in order to study the causes of human and animal behavior. Design such an experiment based on a change in behavior you have obs…
Researchers often use force plates to measure the forces that people exert again
Researchers often use force plates to measure the forces that people exert against the floor during movement. A force plate works like a bathroom scale, but it keeps a record of h…