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Using online tool CodingBat when solving programming exercises 

Details

Title:
Online tool including programming exercises 
Type:
CAWI
Original Languages:
English
Annotations:

The CAWI type has been selected due to poor fit of the remaining categories.
The students were given programming tasks to solve in the self-learning tool CodingBat. There was also the possibility to get help from the tool if necessary.

The CodingBat tasks, which served as an instrument, were as follows:
1.) Given n of 1 or more, return the factorial of n, which is n * (n-1) * (n-2) … 1. Compute the result recursively (without loops).
2.) The fibonacci sequence is a famous bit of mathematics, and it happens to have a recursive definition. The first two values in the sequence are 0 and 1 (essentially 2 base cases). Each subsequent value is the sum of the previous two values, so the whole sequence is: 0, 1, 1, 2, 3, 5, 8, 13, 21 and so on. Define a recursive fibonacci(n) method that returns the nth fibonacci number, with n=0 representing the start of the sequence.

The original tasks are available online:
1) Faculty of n: https://codingbat.com/prob/p154669
2) Fibonacci sequence: https://codingbat.com/prob/p120015

Documents related to the Instrument

Type Description Document Language File
Other  Screenshot of the CodingBat exercise on the faculty of n (source: Parlante, Nick (2022). Recursion 1 - factorial. URL: https://codingbat.com/prob/p154669).  English  codingbat.PNG  

Related Objects

Surveys (1) Questions Data Sets Concepts
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Qualitative Data, Solving programming tasks, thinking aloud 
Population: Students of the Department of Applied Computer Science were considered potential test subjects, if they had successfully participated and completed at least the course "Programming 1" (basic programming course) at Fulda University of Applied Sciences at th... 
Sampling Procedure: Non-probability Sample: Purposive Sample 
Field Period: Mar 21, 2017 - Apr 6, 2017
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