Both Loftus & Palmer and Grant et al’s research used laboratory experiments to investigate how their chosen independent variables affected memory recall. Many have criticised the use of this type of experiment because it lowers the ecological validity.
Why does this lower the ecological validity for each piece of research?
The use of laboratory experiments in Loftus and Palmer’s research lowers ecological validity because...
The use of laboratory experiments in Grant et al’s research lowers ecological validity because…
A key part of psychological research is evaluating current research and striving to improve it to understand human behaviour fully and ultimately improve the applications to real life that research has. Draw the following table and complete it to suggest improvements to the methodology and measurement of variables, then critique your changes.
Once you have completed the table, look at the weaknesses you have identified and write a paragraph to justify why these pieces of research have used a laboratory setting to investigate memory. The following key terms may be of use: