User Account

All Pages

Positive reinforcement improves student performance

Assignment Help Applied Statistics
Reference no: EM13945115

A high school administrator wants to determine whether positive reinforcement improves student performance.  A group of students is randomly selected from the high school population.  Their last year's records are examined for their GPAs.  Beginning the first day of the school year and continuing through the first semester, the selected students receive a reward (free movie tickets) whenever they pass a major test.  At the end of the first semester, their GPAs for the semester are calculated and compared to the last year's GPAs.

(a)Comment on this design.  Identify biases, concerns, and why you might question any results.

(b)Suggest an improved design.  Be sure to specify your design completely; include a diagram if appropriate; discuss how you would implement your study.

Reference no: EM13945115

Questions Cloud

What must the debt-equity ratio : A firm wishes to maintain a growth rate of 8 percent and a dividend payout ratio of 62 percent. The ratio of total assets to sales is constant at 1, and the profit margin is 10 percent. What must the debt-equity ratio be if the firm wishes to keep th..
Retirement account from her previous job : Rihab just got a new job and wants to roll over her retirement account from her previous job at a large corporation into an IRA. Rihab should speak to a finacial palnner to make sure she follows the rollover rules to avoid taxes.
What must the dividend payout ratio be : Frasier Cabinets wants to maintain a growth rate of 5 percent without incurring any additional equity financing. The firm maintains a constant debt-equity ratio of .55, a total asset turnover ratio of 1.30, and a profit margin of 9 percent. What must..
Using the marginal tax rates from your book : Kyle has been asked to serve as a consultant on a building project and can get paid his fee up-front or at the end of the long project. He has agreed to do the consulting work for a fee of $20,000. Using the Marginal Tax Rates from your book (pp. 106..
Positive reinforcement improves student performance : A high school administrator wants to determine whether positive reinforcement improves student performance.  A group of students is randomly selected from the high school population.
Return on your equity investments : Leslie's Unique Clothing Stores offers a common stock that pays an annual dividend of $2.90 a share. The company has promised to maintain a constant dividend. How much are you willing to pay for one share of this stock if you want to earn a 11.70 per..
What circumstances would duration equal maturity : We have the Goncalves par bond paying a coupon rate of 8% and having a maturity of 20 years. If the coupon rate of Goncalves were to alter to 4%, what would the new duration be? What is the meaning of duration? Under what circumstances would duration..
Compute the predetermined overhead rate for the year : Determine the amount of overhead applied to production during the year. Compute the predetermined overhead rate for the year.
What range of frame sizes does stop-and-wait give efficiency : A channel has a bit rate of 4 kbps and a propagation delay of 20 msec. For what range of frame sizes does stop-and-wait give an efficiency of at least 50 percent?

Reviews

Write a Review

Applied Statistics Questions & Answers

  What is the probability that neither of them

Chance of winning $100 or more on a type of casino slot machine is 2.3% when playing the maximum bet for one hour. A couple enters the casino and plays these machines for an hour. What is the chance that one of them wins $100 or more? What is..

  Qualified applicants for position in category

Qualified Applicants for Position in Category

  Frechet distribution the pdf for 3 parameter frechet

the pdf for 3 parameter frechet distribution is ltbrgtfxa?a x-?-a-1 exp-x-?-a ltbrgtthen how we can prove the cdf for

  Prepare a sas data set with 45 rows

If we prepare a data set for exercise #9 of chapter 14 (question 3 of this homework), we can use SAS to answer all the questions in parts a), b), c) and d) of this exercise. The sample size (n) for this exercise was 45 and of these 45 third-graders 4..

  Find the best predicted temperature at a time

Find the best predicted temperature at a time when a cricket chirps 3000 times in 1 minute. What is wrong with this predicted value?Chirps in 1 min     882 1188 1104 864 1200 1032 960 900

  What kind of experiment

What kind of experiment

  Each member of a random sample of 15 business economists was

Each member of a random sample of 15 business economists was asked to predict the rate of inflation for the coming year. Assume that predictions for the whole population of business economists follow a normal distribution with standard deviation 1.8%..

  Find the probability of matching all winning numbers

Use the hyper geometric formula to find the probability of matching all 5 winning numbers. The lottery commission also pays if a contestant matches 3 or 4 of the 5 winning numbers. Hint: Divide the 32 numbers into two groups, winning numbers and non ..

  A national random sample of parents

The C.S. Mott Children's Hospital surveyed a national random sample of parents about their desire for email consultation for their child's minor illness or injury and their willingness to pay for this convenience.

  The risk or volatility of an individual stock is the standar

One measure of the risk or volatility of an individual stock is the standard deviation of the total return (capital appreciation plus dividends) over several periods of time. Al though the standard deviation is easy to compute, it does not tak..

  Examine statistical data consisting of records of car

examine statistical data consisting of records of car accidents on victorian roads and freeways in 2012. the victorian

  What is the sampling distribution of the sample mean xbar

A maker of a certain brand of low fat cereal bars claims that the average saturated fat content is 0.5 grams.  To check the claim, a random sample of 9 cereal bars of this brand were drawn, and the sample mean and sample standard deviation was found ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd