Question: A statistics instructor wanted to determine if using a calculator on a test increased test scores. On the next statistics test, one group was allowed

A statistics instructor wanted to determine if using a calculator on a test increased test scores. On the next statistics test, one group was allowed to use a calculator while the other group was not allowed to use a calculator. She was quite surprised when she discovered the students without the calculator scored higher than the students with the calculator. What is a likely contributor to this result?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

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 Mathematics Questions!

B. ANALYZING DATA FROM A COURSE'S GRADE BOOK Problem At the end of the semester, an "Introduction to Statistics" instructor wanted to gain insight into his students' performance by analyzing...

An instructor wanted to determine if chocolate would impact students' performance in beginning statistics. He randomly assigned half the class to Group A and the other half to Group B. Group A...

Assessment & Evaluation in Higher Education Vol. 29, No. 1, February 2004 Academic procrastination and statistics anxiety Anthony JOnwuegbuzieDepartment of Educational Measurement and Research,...

Journal of Case Studies in Education Elementary teachers' experiences and perceptions of departmentalized instruction: A case study Alecia Strohl Valdosta State University Lorraine Schmertzing...

Please read the question Question : What strategies have you used to communicate in a language you were acquiring? What strategies do you think emergent bilinguals use? 3 How Do People Learn and How...

$FL2@(#) SPSS DATA FILE MS Windows 17.0.0 ################(#########Y@04 Oct 0916:49:14 ###########################PARTICIP########################CREATIVI####Creativit y pre-test...

Module 6 Statistical Tests Solutions Geremy Gully PSY-845/Dr. Bielek Researchers wanted to explore self-esteem in adolescent boys and adolescent girls. Each respondent completed a 10-item self-esteem...

The total cost (in dollars) of printing x dictionaries is C(x) = 20,000 + 10x. (A) Find the average cost per unit if 1.000 dictionaries are produced. (B) Find the average value of the cost function...

(a) Draw the three isomers of benzenedicarboxylic acid. (b) The isomers have melting points of 210C, 343C, and 427C. Nitration of the isomers at all possible positions was once used to determine...

Kim contributes land (basis of $190,000; fair market value of $250,000) to a business entity in exchange for 100% of the stock. During the first year of operation, the entity earns a profit of...

Multiple Choice Question 128 Under the absorption-cost approach, all of the following are included in the cost base except direct materials variable manufacturing overhead. fixed manufacturing...