Dynamic Model for Assessment and Interpretation of Results
Test generation
Generate tests for educational assessment
Item analysis
Analyse items that were already generated
Generate tests using genetic algorithms
Item Analysis
List of revisable concepts
The next concepts need to be revised:- operating, system
- operating, system
- operating, Windows
- application, writing
- operating, system
- operating, applications
- decimal, binary
- partition, operating
- sort, Excel
- Excel, row, line, cell
Analysis of generated items
| ID | Statement | Keywords | Type | Score | Difficulty | Average score | St dev | Discrimination | PBS | Number of correct answers |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | Give a mobile operating system. | operating, system | multiple-choice | 2 | 1.00 | 1.00 | 0.71 | 1.03 | 0.00 | 0.00 |
| 1 | Which of the following is an operating system? | operating, system | multiple-choice | 3 | 0.50 | 0.50 | 0.91 | 1.03 | 0.00 | 0.00 |
| 3 | Give one difference between Windows and Linux systems. | operating, Windows | multiple-choice | 2 | 1.00 | 1.00 | 0.71 | 1.03 | 0.00 | 0.00 |
| 4 | Which is the file path for the file “hello.txt” found on D:, in the folder „Lucrari”? | path, file | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 5 | Describe the Linux operating system in 300 words. | operating, Linux | essay | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 6 | Which library is included in C++ to work with files? | C++, library | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 7 | Write a code to determine whether a string is a palindrome. | string, palindrome | essay | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 8 | What is potentially wrong with the following Android code? | Android, code | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 9 | Should you encrypt confidential data? | encryption, data | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 10 | Which of these is not an item of hardware to do with computers? | hardware, item | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 11 | Which is the best application to use to write a letter? | application, writing | multiple-choice | 1 | 1.00 | 1.00 | 0.00 | 1.03 | 0.00 | 0.00 |
| 12 | How many bits make a byte? | bite, byte | multiple-choice | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 13 | First search engine on internet is: | search, engine | multiple-choice | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 14 | Define a desktop operating system. | operating, system | short | 1 | 0.20 | 0.20 | 0.89 | 1.03 | 0.00 | 0.00 |
| 15 | Microsoft Windows is an: | operating, Windows | multiple-choice | 0 | 0.00 | 0.00 | 0.89 | 0.00 | 0.00 | 0.00 |
| 16 | Mobile device applications are: | operating, applications | short | 2 | 0.50 | 0.50 | 0.87 | 1.03 | 0.00 | 0.00 |
| 17 | Which of these is a free operating system? | operating, system | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 18 | What is a URL? | Internet, link | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 19 | 1 GB is equal to | hardware, gigabyte | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 20 | Explain the key idea of branch and bound algorithms. | algorithm, graph | essay | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 21 | Use the greedy coin-change algorithm to make change using quarters (25 cents), dimes (10 cents), nickels (5 cents), and pennies (1 cent), for 92 cents. How many coins did you use? | algorithm, greedy | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 22 | What given number is prime? | algorithm, prime | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 23 | Find the largest value in an array. | algorithm, array | essay | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 24 | What is the extension of a file created in Word? | file, extension | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 25 | What is the role of the Start button on the taskbar? | Start, taskbar | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 26 | How can a folder be created? | folder, operating | short | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 27 | Find the maximum number between two given integers. | algorithm, maximum | short | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 28 | What is a partition? | partition, operating | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 29 | What is a file? | file, operating | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 30 | What is a folder? | folder, operating | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 31 | Define a window in the GUI of an operating system. | window, operating | short | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 32 | What is found by applying Euclid’s algorithm? | algorithm, Euclid | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 33 | Write a program which counts the b’s in “bibliography”. | algorithm, letter | essay | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 34 | What is the decimal value of 10010100? | decimal, binary | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 35 | What is the hexadecimal value of 100101000? | decimal, binary | multiple-choice | 3 | 3.00 | 3.00 | 0.00 | 1.03 | 0.00 | 0.00 |
| 36 | What is the decimal value of 11100010? | decimal, binary | multiple-choice | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 37 | What is the decimal value of 01100010? | decimal, binary | multiple-choice | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 38 | Choose the search engine from the next variants: | Internet, search | multiple-choice | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 39 | What is a TCP/IP? | Internet, protocol | multiple-choice | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 40 | Which of the algorithms finds the largest common divider of two numbers? | algorithm, Euclid | multiple-choice | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 41 | Write a short text about partitions. | partition, operating | short | 1 | 0.25 | 0.25 | 0.87 | 1.03 | 0.00 | 0.00 |
| 42 | What is the taskbar? | operating, taskbar | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 43 | What is wrong with the following piece of code: #includ |
algorithm, code | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 44 | Selecting the entire content of a document is done with the key combination: | keyboard shortcut, selecting, Word | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 45 | The process of removing an unwanted part of an image is called | image, editing, Word | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 46 | What is the name of the direction of a page used for viewing and printing? | Word, formatting | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 47 | A program that is used to view websites is called: | browser, Internet | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 48 | What is the term for unsolicited emails? | Internet, email | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 49 | TCP/IP means: | protocol, Internet | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 50 | URL means: | browser, URL, Internet | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 51 | Which of the following variants is not a browser? | browser, Internet | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 52 | The step-by-step procedure for solving a problem is called: | programming, algorithm | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 53 | This characteristic of algorithms often draws the line between what is feasible and what is impossible. | programming, algorithm, characteristic | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 54 | A water lily covers the surface of the water in 30 days. How many days do it take to cover half the surface, if the water lily doubles its surface every day? | programming, exercise | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 55 | What is the result of the expression: (5 > 7) AND (0 < 2 * 5 < 15)? | programming, boolean, exercise | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 56 | What is the result of the expression: (5 > 7) OR (0 < 2 * 5 < 15)? | programming, boolean, exercise | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 57 | What is the result of the expression: (5 < 7)? | programming, boolean, exercise | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 58 | What is the result of the expression: (100 = 101) AND (2*3 < 6)? | programming, boolean, exercise | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 59 | What is the result of the expression: (100 = 101) OR (2*3 < 6? | programming, boolean, exercise | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 60 | What is the minimum number of comparisons to sort ascendingly the sequence of numbers: 2, 3, 5, 1, 4? | programming, exercise, sort | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 61 | What is the name of the intersection of a column and a row in a worksheet? | Excel, row, line, cell | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 62 | Ce func?ie din Excel returneaz? suma unui interval de numere? | function, Excel, sum | multiple-choice | 0 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 |
| 63 | The process of arranging the elements of a column in a particular sequence or order is known as: | sort, Excel | multiple-choice | 2 | 2.00 | 2.00 | 0.00 | 1.03 | 0.00 | 0.00 |
| 64 | In Excel, the rows are numbered with: | Excel, row, line, cell | multiple-choice | 2 | 1.00 | 1.00 | 0.71 | 1.03 | 0.00 | 0.00 |
| 65 | Which function in Excel returns the average of a range of numbers? | function, Excel, average | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 66 | Which function in Excel returns the sum of a range of numbers? | function, Excel, sum | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |
| 67 | Which function in Excel returns the number of values within a range of numbers? | function, Excel, count | multiple-choice | 0 | 0.00 | 0.00 | 0.71 | 0.00 | 0.00 | 0.00 |