A study by Brandimonte (1992) into visual encoding in STM demonstrated that not only visual coding can be used in STM but also that under certain circumstances it is a superior method.
According to acoustic and visual encoding in STM the capacity of STM is limited to approximately seven chunks of information as suggested by Miller (1956).
2) Introduction The investigation will be focusing on visual and acoustic coding in short-term memory (STM). The conclusions drawn from this study highlight that most people use acoustic coding over visual coding. The statistical test used was the Sign Test as the statistical significance was 0.05% of the results with a critical value of one, which clearly suggested that the experimental hypothesis could be accepted, as the hypothesis was one tailed leading to reject the null hypothesis. The findings of this investigation direct us towards accepting the experimental hypothesis that a vast number of people would use acoustic coding in STM. Opportunistic sampling was used to select participants to take part in this investigation. Repeated measures was the design used for this investigation, as it involved exposing every participant to each of the experimental conditions, so in effect participants were used as their own controls. The experimental hypothesis was tested and led the researcher to accept it, as it stated that acoustic coding in STM would be used even when information is presented visually whereas the Null hypothesis was due to chance alone and predicted that there will be no significance or difference in participants recall when using acoustic or visual coding in STM. The research associated with this experiment is supported by Conrad's (1964) study into acoustic confusion. Investigation into acoustic and visual encoding in short-term memory 1) Abstract The investigation aims to look into acoustic and visual encoding in short-term memory (STM).
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