... research suggests that arousal levels are high in density conditions, which leads to higher pulse rate and blood pressure (Evans, 1979). Density is manipulated in two ways; social and spatial. Social density is manipulated by varying group size whilst keeping the area constant, spatial density is manipulated by keeping group size the same but varying the area. The type of density that applies to this experiment is spatial, this is because the group size will remain the same and area size will change. Aim of experiment is to see the participant's performance on a memory task with being in the two conditions (high density, low density), this may then affect the participant's performance which will be measured by a questionnaire based on a 3 minute clip the participants will see. The hypothesis is 1-tailed because participant's performance in the High Density condition compared to the Low Density condition will be low, ...

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