Practise Edexcel Psychology decision making and data interpretation by extracting results, completing tables or graphs, calculating values and drawing conclusions.
Andreas and Mikhael conducted a meta-analysis of research into causes of stress. They reviewed 60 research studies that had all tested the effect of stress triggers on stomach acidity levels in non-human participants.
They presented the data from their meta-analysis of the studies in Table 4.
State one conclusion that could be made using the data in Table 4.
Calculate the number of studies that found no significant increase in stomach acidity levels using the information in Table 4.
Space for calculations
The use of non-human animals in the psychological research that Andreas and Mikhael reviewed would have been required to meet the Animals (Scientific Procedures) Act 1986.