Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jan 10, 2023

Calculate Cohens d as a measure of effect size for the following paired samples data: Paticipants Before Intervention After Intervention 1 200 180 2 185

Calculate Cohen’s d as a measure of effect size for the following paired samples data:

Paticipants	Before Intervention	After Intervention
1	200	180
2	185	167
3	270	225
4	205	199
5	170	155

Round the final answer to two decimal places.

Step by Step Solution

★★★★★

3.45 Rating (158 Votes )

There are 3 Steps involved in it

Step: 1

The detailed answer for the above question is provided below ... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Fundamental Statistics for the Behavioral Sciences

Authors: David C. Howell

8th Edition

1285076915, 978-1285076911

More Books

Students also viewed these Electrical Engineering questions

Question

★★★★★

Compute a measure of effect size for the data in Exercise 12.11. In Exercise 12.11. ID 1234 5 6789 10 Gain 1.7 0.7-0.-0.7-3.5 4.9 3.5 17.1-7.6 1.6 ID 13 14 15 16 17 1819 20 Gain 11.7 6 4.0 209 -9.1...

Answered: 1 week ago

Question

★★★★★

As a measure of productivity, Verizon Wireless records the number of customers each of its retail employees activates weekly. An activation is defined as either a new customer signing a cell phone...

Answered: 1 week ago

Question

★★★★★

The harmonic mean is often used as a measure of central tendency for data sets consisting of rates of change, such as speeds. It is found by dividing the number of scores n by the sum of the...

Answered: 1 week ago

Question

★★★★★

If a currency reform has no effects on the economys real variables, why do governments typically institute currency reforms in connection with broader programs aimed at halting runaway inflation?...

Answered: 1 week ago

Question

★★★★★

Exhibit 4.3 presents the balance sheet prepared by Svenson, a Swedish telecommunications firm, for Years 7 and 6. Svenson applies IFRS and reports its results in millions of Swedish kronor (SEK). In...

Answered: 1 week ago

Question

★★★★★

Draw the carbocation intermediate generated when each of the following substrates is treated with sulfuric acid: a.

Answered: 1 week ago

Question

★★★★★

Explain ways to deal with anger constructively.

Answered: 1 week ago

Question

★★★★★

Refer to the facts in Exercise. Assume that both Building A and Building B work on just two jobs during the month of June: RW-12 and RW-13. Costs are allocated to jobs based on labor-hours in...

Answered: 1 week ago

Question

★★★★★

Exercise 14-17 Whispering Winds Corporation had bonds outstanding with a maturity value of $540,000. On April 30, 2017, when these bonds had an unamortized discount of $10,000, they were called in at...

Answered: 1 week ago

Question

★★★★★

The following transactions of Beltville College transpired during 2020. The funds necessary are the Endowment Fund, the Annuity Fund, the Plant Fund?Unexpended, the Plant Fund?Investment in Plant,...

Answered: 1 week ago

Question

★★★★★

a. An investor has the utility function where the investors utility score = expected return 1/2 x A x variance, and the investor is considering investing in the optimal risky portfolio and the...

Answered: 1 week ago

Question

★★★★★

On the way to work, Anjali reallzed her car was overheating, so she immedlately pulled into a service station to have the problem fixed. Anjali's buying process for the car repair was Influenced by...

Answered: 1 week ago

Question

★★★★★

Frank, a bank teller, is told by the head teller that rapid service is an absolute must from this point forward. However, the bank's community relation's director instructs all employees to focus...

Answered: 1 week ago

Question

★★★★★

The light right-angle boom which supports the 590-kg cylinder is supported by three cables and a ball-and-socket joint at O attached to the vertical x-y surface. Determine the reactions at O and the...

Answered: 1 week ago

Question

★★★★★

Jones Day Care is a Not-For-Profit organization that provides day services for children with disabilities. The following contributions (and expenses) were received by Jones Day Care during the year...

Answered: 1 week ago

Question

★★★★★

1. Print the top 3 rows. 2. Print the column names. 3. Sort data by Edition (year) in descending order and show the top 10 rows. 4. Select the columns of Edition and Athlete for Women 100m freestyle...

Answered: 1 week ago

Question

★★★★★

Within the context of projects with unequal lives, consider the initial investments, cash inflows, IRR, and NPV and PI (assuming RRR of 10% ) of the following two mutually exclusive projects A and B...

Answered: 1 week ago

Question

★★★★★

Find the APR in each of the following cases: NUMBER OF TIMES COMPOUNDED Semiannually Monthly Weekly Infinite EAR APR 10.4% 8.9 11.6 15.4

Answered: 1 week ago

Question

★★★★★

Calculate d^ for the two main effects for the data in Exercise 17.11, choosing suitable groups for comparison.

Answered: 1 week ago

Question

★★★★★

Howell and Huessy (1985) used a rating scale to classify children as to whether or not they showed Attention Deficit Disorder (ADD)like behavior in the second grade. They then classified these same...

Answered: 1 week ago

Question

★★★★★

In an old study by Clark and Clark (1939), black children were shown black dolls and white dolls and were asked to select one to play with. Out of 252 children, 169 chose the white doll and 83 chose...

Answered: 1 week ago

Question

★★★★★

A company manufacturing electronic components for home entertainment systems buys electrical connectors from three suppliers. The company prefers to use supplier A because only 1% of those connectors...

Answered: 1 week ago

Question

★★★★★

Facebook reports that 70% of its users are from outside the United States and that 50% of its users log on to Facebook every day. Suppose that 20% of its users are U.S. users who log on every day....

Answered: 1 week ago

Question

★★★★★

A citrus farmer has observed the following distribution for the number of oranges per tree. How many oranges does he expect on average?

Answered: 1 week ago

Previous Question Next Question