Learning objective

The independent variable is the one that is manipulated in an experiment and can have multiple conditions or levels.

Read the explanation, check the common trap, then practise with flashcards and questions.

Practise this topic Read the exam answer Topic hub

Exam focus

Read the explanation.
Check key terms.
Practise with linked questions.

Cambridge IGCSE PsychologyResearch methods

Study support

Understand this objective

Quick explanation

The independent variable is the one that is manipulated in an experiment and can have multiple conditions or levels

This point belongs to T he features of an experiment., especially T he features of an experiment. outcomes.
You need to be able to the independent variable is the one that is manipulated in an experiment and can have multiple conditions or levels.
The key ideas to know are Define and Describe.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineDescribe

Why it matters

This objective helps connect T he features of an experiment. outcomes to exam-style questions, flashcards, and revision notes for T he features of an experiment..

Revision tools

Choose how to practise

Back to topic hub

Flashcards10 linked cards

Flashcard 1 of 10

Press Space to flip, arrows to move

Practice Questions7 linked questions

Question 1 of 7

Choose an answer, get feedback, then move sideways through the set.

0 of 5 attempted

Paper 1 structured question: T he features of an experiment.

Paper 1Approaches, Issues and Debates1 marks

Description

Teaching Methods Study

The study involved three different teaching methods: traditional lectures, interactive discussions, and online learning. Each method was applied to different groups of students to assess their performance on a standardized test.

a
Define the term 'independent variable' as used in this study.
Your answer
Aim for approximately 1 distinct marking point.
[1]

Revision notestopic notes

Open the full topic revision notes when you are ready to review this objective in context.

Open revision notes

Related learning objectives

An experiment is a method used to study how one variable affects another under controlled conditions. Knowledge of different experiment types, such as laboratory and field experiments, is not required.
T he features of an experiment. outcomes
Apply your understanding of experiments to new situations.
T he features of an experiment. outcomes
The dependent variable is the one that is measured in an experiment, which can be assessed through various methods such as tests, observations, questionnaires, and interviews.
T he features of an experiment. outcomes
Apply your understanding of independent and dependent variables to new situations.
T he features of an experiment. outcomes
Operationalisation involves defining a variable so that it can be accurately measured or observed, whether it is manipulated (IV) or measured (DV).
T he features of an experiment. outcomes

Revision hubs

Move back to a broader study route

Cambridge IGCSE Psychology resources