Computers and Technology
Computers and Technology, 05.02.2021 21:30, MogTaee

Nearsightedness Study Myopia, or nearsightedness, results from a number of genetic and environmental factors. In 1999, Quinn et al studied the relation between myopia and ambient lighting at night (for example, from nightlights or room lights) during childhood. Question 1: The data were gathered by the following procedure, reported in the study. "Between January and June 1998, parents of children aged 2-16 years [...] that were seen as outpatients in a university pediatric ophthalmology clinic completed a questionnaire on the child's light exposure both at present and before the age of 2 years." Was this study observational, or was it a controlled experiment? Explain. Write your answer in myopia_ql below. In [ ]: myopia_ql = Question 2: The study found that of the children who slept with a room light on before the age of 2, 55% were myopic. Of the children who slept with a night light on before the age of 2, 34% were myopic. Of the children who slept in the dark before the age of 2, 10% were myopic. The study concluded that, "The prevalence of myopia [...] during childhood was strongly associated with ambient light exposure during sleep at night in the first two years after birth." Do the data support this statement? You may interpret "strongly" in any reasonable qualitative way. Write your answer in myopia_g2 below. In (: myopia_q2 = Question 3: On May 13, 1999, CNN reported the results of this study under the headline, "Night light may lead to nearsightedness." Does the conclusion of the study claim that night light causes nearsightedness? Write your answer in myopia_93 below. In (): myopia_q3 = Question 4: The final paragraph of the CNN report said that "several eye specialists" had pointed out that the study should have accounted for heredity. Myopia is passed down from parents to children. Myopic parents are more likely to have myopic children, and may also be more likely to leave lights on habitually (since the parents have poor vision). In what way does the knowledge of this possible genetic link affect how we interpret the data from the study? Write your answer in myopia_q4 below. In [ ]: myopia_94 =

answer
Answers: 3

Other questions on the subject: Computers and Technology

image
Computers and Technology, 22.06.2019 00:40, 1fuzzybirdow6e0s
If you arrive at the same time as another user straight across from you yield if a. they flash your headlights at you b. you can’t see their turn signals c. you’re going street and they’re running d. you’re turning they’re going straight plz
Answers: 1
image
Computers and Technology, 22.06.2019 21:30, sunshinekisses
After you clean an engine with hot water spray, it seems to stall; when it doesn't stall, it's idling noisily. technician a says to check for loose bolts on the flex plate near the torque converter. technician b says to wipe down the spark plug wires and the distributor cap. who is correct? a. technician a b. both technicians a and b c. technician b
Answers: 1
image
Computers and Technology, 23.06.2019 18:00, MagicDragon4734
Freya realizes she does not have enough in her bank account to use the debit card. she decides to use a credit card instead. which questions should freya answer before using a credit card? check all that apply. can i pay at least the minimum payment each month? can i make payments on time and avoid late fees? will i have to take out a loan? how much in finance charges can i afford to pay? should i talk to a consumer credit counseling service?
Answers: 1
image
Computers and Technology, 23.06.2019 18:30, aalyssag606
This program should be a short piece of code that prints all of the positive integers from 1 to 100 as described more fully below. the program may contain multiple methods, and if using an oo language, should be contained within a single class or object. the program should be designed so that it begins execution when invoked through whichever mechanism is most common for the implementation language. â–ş print out all positive integers from 1 to 100, inclusive and in order. â–ş print messages to standard output, matching the sample output below. â–ş in the output, state whether the each integer is 'odd' or 'even' in the output. â–ş if the number is divisible by three, instead of stating that the number is odd or even, state that the number is 'divisible by three'. â–ş if the number is divisible by both two and three, instead of saying that the number is odd, even or divisible by three; state that the number is 'divisible by two and three'. â–ş design the logic of the loop to be as efficient as possible, using the minimal number of operations to perform the required logic. sample output the number '1' is odd. the number '2' is even. the number '3' is divisible by three. the number '6' is divisible by two and three.
Answers: 1
Do you know the correct answer?
Nearsightedness Study Myopia, or nearsightedness, results from a number of genetic and environmental...

Questions in other subjects:

Konu
Computers and Technology, 30.10.2019 02:31