Computer Science
Grade 5
20 min
Resolving Conflicts: Working Through Disagreements
Learn how to resolve conflicts and work through disagreements in a collaborative coding project.
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1
Introduction & Learning Objectives
Learning Objectives
Identify a logical conflict between two or more lines of code.
Explain why two conditional statements might contradict each other.
Use a variable tracing technique to find the source of a logical conflict.
Rewrite conflicting `if` statements using an `if/else if` structure to resolve a disagreement.
Define 'code conflict' in the context of collaborative programming.
Describe a communication strategy for resolving a coding disagreement with a partner.
Ever told a robot to go left and right at the exact same time? 🤖 What happens? Let's find out what happens when our code has a disagreement with itself!
Just like people, different parts of a computer program can have 'disagreements' or 'conflicts'. In this lesson, we will...
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Key Concepts & Vocabulary
TermDefinitionExample
Logical ConflictWhen two or more parts of a program give instructions that cannot both be true or happen at the same time, causing a bug.One line of code says `if (score > 10) { character_size = 50; }` and another line says `if (score > 10) { character_size = 20; }`. The computer doesn't know which size to pick!
Contradictory ConditionalsTwo or more `if` statements that check for the same condition but command opposing or incompatible actions.Inside a game loop: `if (button_pressed == 'up') { y = y + 5; }` and `if (button_pressed == 'up') { y = y - 5; }`. The character would just wiggle in place.
Collaboration ConflictA disagreement that happens when two programmers change the same piece of code in different ways, causing it to break.Yo...
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Core Syntax & Patterns
The `if / else if / else` Pattern
if (condition1) { // do this } else if (condition2) { // do that } else { // do this other thing }
Use this structure to resolve conflicts between conditions. The computer checks each condition in order and only runs the code for the FIRST one that is true. This prevents two contradictory commands from running at the same time.
The 'Talk It Out' Protocol
1. State the change. 2. Explain why. 3. Ask for impact. 4. Agree before coding.
When working with a partner, use this communication pattern to prevent collaboration conflicts. Before you change any shared code (like a variable or function everyone uses), talk through the change with your partner to make sure it won't break their part of the project.
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Challenging
Imagine you are trying to 'merge' two different ideas for a story, like merging code branches. One idea has a dragon, the other has a robot. A 'merge conflict' occurs where the ideas clash. What is the best first step to resolve this creative conflict?
A.Find a common element or goal, like 'both the dragon and robot are protectors of the main character,' to build the story around.
B.Delete the robot idea because dragons are more popular.
C.Write two completely separate stories.
D.Insist that a story cannot possibly have both a dragon and a robot in it.
Challenging
A team is stuck in a heated argument, like a computer in an 'infinite loop.' Each person keeps repeating their point, and no progress is made. Which of the following actions is the most effective 'interrupt' or 'break' command to escape this loop?
A.The loudest person declares their idea the winner.
B.Someone suggests, 'Let's all take a 10-minute break and write down one new idea before we talk again.'
C.Everyone agrees to just use the first idea that was suggested.
D.The team leader starts talking about a completely different topic to distract everyone.
Challenging
A conflict resolution 'algorithm' is proposed: Step 1: State your demand. Step 2: `while (other_person_disagrees) { repeat_demand_louder }`. This algorithm is fundamentally flawed because it violates a key principle of user-centered design. What is that principle?
A.The principle of using clear and simple variable names.
B.The principle of writing code that is efficient and fast.
C.The principle of using loops to repeat actions.
D.The principle of needing a feedback loop and processing input from the 'user' (the other person).
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