criminological practical (pack 7) Flashcards
what is the practical report title?
an experiment to investigate the effect that time delay and reconstructive memory has on an EW memory
what was the aim of the practical?
investigate the effect of reconstructive memory on an EW memory recall when ppt had a time delay in between reporting an incident
what is the hypothesis for the practical?
there will be a sig. difference in the amount of correctly answered questions (out of 10) in a cued recall about a video of a stabbing incident, when recall is immediate compared to recall two weeks later
what sampling technique was used?
opportunity sampling
what was some of the procedure for the practical?
informed they were going to be shown a video of an incident
instructed to watch clip and then complete the questionnaire
asked not to communicate
clip lasted 2:09 and was taken from BBC documentary covering EWT
complete ten question closed response
and a free recall
2 weeks later asked to complete the same questionnaire
results analysed through wilcoxon and signed ranks test
mean score of first questionnaire?
8.38
mean score of second questionnaire?
8.15
Two strengths of the practical?
high in internal validity- controlled variables
high in reliability standardised procedures
two weaknesses of the practical?
low in eco validity
low in generalisability