Negative effects of digital tech

digital tools such as computers, video games, and laptops that are used to process and store information

a mental operation or "thought-pattern" used to acquire, store, retrieve, and utilize information, representing how the mind interprets experience.

Technology can negatively affect cognitive processes such as memory and learning by reducing depth of processing and encouraging reliance on external systems.

the cognitive process of encoding, storing, and retrieving information, acting as an active, reconstructive system rather than a perfect recorder. Digital Tech can negativily effect memory

It reduces of memory retention due to reliance on digital storage

Sparrow et al (2011)

whether people rely on the Internet as an external memory store, leading to a reduced need for remembering information directly (this known as the google effect or digital amnesia)

- 60 undergraduate students at U of Harvard (37 f, 23 m)
- Given 40 trivia questions ranging from obscure facts to facts assumed to be well known
- Experiment was a 2 x 2 independent sample design meaning that there were two independent variables manipulated at different levels
- The two independent variables were:
> Participants were told that their information would be saved after pressing space and would be accessed later or, the participants were told that their info would be erased after pressing space to make room for a new answer.
> Participants were split into two groups: those told to remember the information and those who weren't told
- Participants were then given a blank sheet of paper and 10 minutes to recall everything they remembered
- They were then given a recognition task where there were 40 statements where they had to answer yes/no to if they were different from the original 40 trivia facts

Participants who believed their work would be erased remembered significantly more than those who thought it was saved.
Being explicitly asked to remember did not significantly improve recall.
Conclusion: People make less effort to remember information if they believe it is stored externally.

This demonstrates cognitive offloading, where individuals rely on external devices instead of encoding information into long-term memory. This shows how Digital technology lowers the reliance on memory by providing an external space for information.

The study was influential because it introduced the concept of “digital amnesia,” suggesting that individuals are less likely to retain information when they know it is stored externally. This idea has been supported in real-world observations, such as surveys by Kaspersky Lab showing that many people struggle to recall basic information like phone numbers, which they previously memorised. This increases the practical significance of the findings.

However, attempts to replicate Sparrow et al.’s findings have not always been successful. This raises concerns about the reliability of the results, suggesting that the Google effect may not be as robust or universal as originally proposed.

The study has limited ecological validity because participants were asked to remember artificial, low-interest information in a laboratory setting. In real life, memory is influenced by personal relevance and emotional depth, which were not present in the experimental tasks. Therefore, the findings may not fully reflect how digital technology affects memory in everyday contexts.

There is also the possibility of demand characteristics, as participants may have guessed the aim of the study and adjusted their behaviour accordingly. If participants suspected the researchers were testing memory dependence on technology, this could have influenced their responses and reduced internal validity.

Finally, the sample consisted of university students who are highly familiar with computers and digital tools. This limits population validity, as their cognitive habits may differ from older adults or individuals with less exposure to technology.

Modern technology can negetiviley effect cognative processes, particularly learning and memory

Mueller and Oppenheimer (2014)

1)to see if technology has a negative effect on our ability to recall info
2)to investigate whether taking notes by hand or using a laptop leads to better memory of the material

true experiment
volunteer sample of 109 UCLA undergraduate student

Participants were given either a laptop or pen and paper and were instructed to take notes on a series of four lectures. The lectures were films of a graduate student reading from a teleprompter. The lectures had the following themes: bats, bread, vaccines, and respiration.
Participants were told that they would be tested in one week on the content of the lectures - and they would not be allowed to take their notes home with them. Each participant watched the lecture on a private monitor with headphones in order to avoid any distractions.
The two conditions - handwriting and laptop note-taking - were then randomly divided into two more conditions. In the "study" condition, the participants were given 10 minutes to study their notes before being tested

The results showed that in both the longhand and the laptop conditions, if the participants did not get a chance to study, they did poorly on factual knowledge and did fairly well on conceptual knowledge, although there was no significant difference in performance. A significant difference was found when the participants did get the chance to study. Participants who took notes by hand did significantly better than those that took notes on the computer.

Overall, Mueller and Oppenheimer (2014) demonstrate that modern technology can negatively affect cognitive processes by promoting shallow processing. Shallow processing is when information is encoded based on superficial, structural, or auditory characteristics—like font or rhyme—rather than meaning. This is linked to weaker, short-term memories compared to deep processing. This reduces conceptual understanding and long-term memory retention.

Empircle: The findings provide strong evidence that laptop note-taking leads to more shallow processing, resulting in poorer conceptual understanding compared to handwriting. This supports levels-of-processing theory, which suggests deeper encoding leads to better memory retention. However, the evidence may not apply universally, as results are based on short-term lecture exposure rather than long-term learning or revision contexts limiting generalizability

Application: The study has strong real-world applications in education, suggesting that handwritten notes may improve learning and exam performance. It also informs digital learning design, encouraging more active engagement rather than passive transcription. However, However, the findings may not fully apply to modern academic environments where laptops are used for interactive learning, collaboration, and accessibility support.

Construct validity: The study has good construct validity because it clearly operationalises “learning” through performance on conceptual and factual test questions, directly measuring depth of understanding. However, test scores may not fully capture all aspects of learning, such as creativity, long-term retention, or real-world application of knowledge limiting external validity.

igital technology reduces the depth and reliability of cognitive processing. Mueller and Oppenheimer (2014) highlight how technology impairs deep encoding during learning, while Sparrow et al. (2011) shows how it reduces the need to store information internally. Therfore, While digital technology increases efficiency, they may ultimately weaken learning and memory.