Question: The Acme Company claims that its new reading lamp increases reading speed; you want to test this. You will record how long (in seconds) it

The Acme Company claims that its new reading lamp increases reading speed; you want to test this. You will record how long (in seconds) it takes for participants to read a 1,000-word essay.
Participants will be randomly assigned to one of two groups: Group 1 will be the control group; they will read the essay using regular room lighting. Those in Group 2 will read the essay using the Acme lamp.

Data set: Ch 04 – Exercise 09A.sav
Codebook
Variable: Group
Definition: Lighting group assignment
Type: Categorical (1 = Room lighting, 2 = Acme lamp)
Variable: Seconds
Definition: The time it takes to read the essay
Type: Continuous
a. Write the hypotheses.
b. Run each criterion of the pretest checklist (normality, homogeneity of variance, and n) and discuss your findings.
c. Run the t test and document your findings (ns, means, and Sig. [p value]).
d. Write an abstract under 200 words detailing a summary of the study, the t test results, hypothesis resolution, and implications of your findings.

Step by Step Solution

★★★★★

3.47 Rating (186 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a H 0 The Acme reading lamp is no different from regular room lighting when it comes to reading speed H 1 The Acme reading lamp facilitates faster rea... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Intermediate Statistics Questions!

Which of the following represents a row in a table? a. An attribute b. A characteristic c. A field d. A record

The Acme Company claims that its new reading lamp increases reading speed, and you want to test this. You will record how long (in seconds) it takes for participants to read a 1,000-word essay....

A pharmaceutical company claims that its new cholesterol drug reduces the likelihood of a heart attack by 50 percent. In a clinical trial consisting of 400 people, four people in the group not taking...

A car company claims that its only hybrid car has a highway gas mileage of 40 mpg on average. An independent company randomly selects one of the cars, which turns out to have a gas mileage of 38 mpg....

Exercise 6.9 The Acme Company claims that its new reading lamp increases reading speed; you want to test this. You will record how long (in seconds) it takes for participants to read a 1,000-word...

The Acme Company claims that its new reading lamp increases reading speed; you want to test this. You will record how long (in seconds) it takes for participants to read a 1,000-word essay....

Exercise 5.9 The Acme Company claims that its new reading lamp increases reading speed; you want to test this. You will record how long (in seconds) it takes for subjects to read a 1,000-word essay....

The Acme Company claims that its new reading lamp increases reading speed, and you want to test this. You will record how long (in seconds) it takes for participants to read a 1,000-word essay....

4. The figure below shows the cross section of an infinitely long circular cylinder of radius 3a with an infinitely long, collinear, cylindrical hole of radius a. The cylindrical hole is displaced so...

The Leather Factory buys bags for $84 and marks them up at 40% of selling price (a) What is the selling price of the bags? (b) What is the rate of markup based on cost?

what type of balance would you use to find a rough mass of a beaker of water to the nearest gram

Pacheco Inc. issued convertible bonds 10 years ago. Each bond had an initial term of 30 years, had a face value of $1,000, paid a coupon rate of 11%, and was convertible into 20 shares of Pacheco...

A beginning accounting student tried to complete a work sheet for Joyce Lee's Tax Service. The following adjusting entries were to have been analyzed and entered onto the work sheet. The work sheet...

Mayer Company has provided the following data for 2014: Budget Sales ............... $250,000 Variable product costs ........ 82,000 Variable selling expense ........ 23,000 Other variable expenses...

Schellhammer Corporation reported the following amounts in 2016, 2017, and 2018. Instructions (a) Identify and describe the three tools of financial statement analysis. (b) Perform each of the three...

Refer to Problem 5-15A and the following additional information: REQUIRED 1. Journalize the adjusting entries on page 5 of the general journal. 2. Post the adjusting entries to the general ledger....

Many small boats are made of fiberglass, which is derived from crude oil. Suppose that the price of oil rises. a. Using diagrams, show what happens to the cost curves of an individual boat-making...

How many independent variables are in a 4 6 factorial design? How many conditions (cells) are in this design?

In a study, a researcher manipulated the number of hours that participants studied (either 4, 6, or 8), the type of study technique they used (shallow processing versus deep processing), and whether...

What is the difference between a cell (condition) mean and the means used to interpret a main effect?

Chapter 12 The Cost of Capital for Swan Motors, Inc. Input area: 684.5 928.1 2019 Notes value (millions) 2021 Notes value (millions) BV of debt (balance sheet) BV of equity Stock price Shares...

The Lubbock Board of City Development has decided to ask the City Council to construct a tunnel under the snowcapped mountain range east of downtown Lubbock so that out of town visitors can reach...

The current price of a non - dividend paying stock is 2 9 . 6 . Use a two - step tree to value a European put option on the stock with a strike price of 3 2 . 2 that expires in 6 months with u = 1 ....