Learning objective

Apply your understanding of experiments to new situations.

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Cambridge IGCSE PsychologyResearch methods

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Apply your understanding of experiments to new situations

This point belongs to T he features of an experiment., especially T he features of an experiment. outcomes.
You need to be able to apply your understanding of experiments to new situations.
The key ideas to know are Suggest and Justify.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

SuggestJustify

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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..

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

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Description

Effects of Sleep Deprivation

The researcher conducts an experiment where one group of participants is allowed to sleep for 8 hours, while another group is kept awake for 24 hours. Cognitive performance is measured using a series of tests.

a
Define the term 'cognitive performance'.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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

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