IB Psychology HL Topic 8 — Learning & Cognition Paper 3 (HL) Key study ~11 min read

What Technology Does to Memory

Being told a file will be saved is enough to make you remember it worse. That is the finding, and it is stranger than it first sounds — because the same participants were not simply forgetting. They were remembering something else instead.

📚 What you need to know

The key study: Sparrow et al. (2011)

🔬 The google effect on memory

Aim: to investigate the relationship between memory, technology and the google effect — relying on technology rather than on your own memory to retain information.

Participants: the original journal article does not give details of the sample demographic.

Procedure: participants learned items of trivia they had not known before and typed them into a computer. The independent variable had two conditions:

Half the participants in each condition were also told they would need to remember the information later. Participants then completed a recognition task using 30 trivia statements, half of which had been altered slightly, and judged for each one whether it was exactly what they had read, whether it had been saved or deleted, and if saved, which folder it was in.

Results: participants in condition 1, who believed they could access the information later, did not recall it as well as those told it would be deleted.

Conclusion: simply believing information will remain available changes how much effort memory puts into storing it.

One sentence changed how much was remembered the material was identical; only the expectation was different TOLD: IT WILL BE SAVED TOLD: IT WILL BE DELETED the brain decides it does not need to hold this itself the brain treats this as the only copy that will exist RESULT RESULT recalled the facts less well but knew where they had been stored recalled the facts better than the saved group, with nothing to fall back on Memory did not fail; it changed what it decided was worth keeping That distinction is the difference between a good answer and a great one
The expectation of future access was the only thing manipulated — which is what makes this a clean experiment.
Most students write “the internet is making us forget”. The study says something more precise and more interesting: memory quietly reallocates effort. If a fact is guaranteed to be retrievable, the useful thing to store is the route to it, not the fact.

Shared memory: what the internet has become

Long before smartphones, psychologists noticed that couples and teams divide memory between them. One person remembers the birthdays, another remembers where the tools are, and neither has to hold everything. This is called transactive or shared memory: the group remembers more than any individual, as long as everyone knows who holds what.

The argument is that the internet has become the largest partner in that arrangement. It is a receptacle for information that is accessible to many people rather than to one, and we adapt by storing pointers instead of contents.

Memory split between a head and a network you keep the pointer; the network keeps the content where to find it what it says you only need the route your memory the internet Efficient while the connection holds; fragile the moment it does not Use that line to argue both sides of a memory question
Shared memory is not new. What is new is the size of the partner and how many people share the same one.

Evaluating the study

Strengths

  • A controlled experiment with a clear IV, so cause and effect can be inferred.
  • Standardised procedure with a recognition task, making it replicable.
  • Altering half the statements is a neat check on whether people recognised the exact wording.
  • The finding about remembering location rather than content is a genuinely new insight.

Limitations

  • No sample details are reported, so generalisability cannot be judged at all.
  • Trivia statements carry no personal significance, unlike most real-world information.
  • A laboratory task lacks ecological validity — nobody learns this way outside a study.
  • Being told information will be deleted may simply increase effort, which is not the same as technology weakening memory.
The real-life objection worth memorising. In everyday life people work harder to remember information that matters to them personally — a friend’s address, a medical instruction, a lyric they love. The study used facts nobody cared about, so it may overstate how far the google effect applies outside the laboratory.

Worked examples

WORKED EXAMPLE

Analyse the findings from this source and state a conclusion linked to the claim that technology has a negative effect on memory and learning. [6 marks]

What the findings show

The independent variable was what participants were told about the information they had typed: that it would be saved, or that it would be deleted. The condition that performed better on recall was the deleted condition. Participants who believed they could return to the information later remembered it less well, even though everyone had read exactly the same material.

What it means

This supports the idea of a google effect, in which people rely on an external store rather than their own memory, and over time this dependence has been described as digital amnesia. The pattern also fits the concept of shared memory: individual memory appears to be adapting to a system in which the internet holds the content and is accessible to many people rather than to one, so what is worth storing internally is the route rather than the fact.

Conclusion, with limits

The findings offer some support for the claim that technology has a negative effect on memory, since a simple expectation of future access reduced recall. However, the conclusion should be cautious. The material was trivia with no personal significance, and in real life people are likely to work harder to retain information that matters to them. Nothing is known about the sample, which weakens generalisability further. It may be more accurate to say memory is being reallocated than damaged.

WORKED EXAMPLE

Explain one limitation of this study. [3 marks]

Point

No details of the sample are given in the original article.

Explain

Without knowing the age, background or number of participants, there is no way to judge whether the group resembles any wider population, and memory performance varies considerably with age and education.

Link

This means the google effect found here cannot confidently be generalised beyond the people who took part, which weakens any broad claim about technology and memory.

💡 Exam tip

⚠ Common mix-up

That is the whole of Topic 8. Up next: loop back to How Digital Technology Fits Into Daily Life and check you can attach every study on these pages to its context — health, development, relationships or learning. In Paper 3 the sources change every year, but the contexts do not.

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