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Psychology - The method used in this investigation was a lab experiment; this ensures control over extraneous variables and allows replication to be easy. The cause and affect of the experiment can be easily identified and produces quantative data.

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Introduction

Psychology

The method used in this investigation was a lab experiment; this ensures control over extraneous variables and allows replication to be easy. The cause and affect of the experiment can be easily identified and produces quantative data. However demand characteristics may occur and its lacks ecological validity.

The design used in the experiment will be the independent measures design, to stop participants performing better because they have learnt the words, there will be two separate groups with different people in each group.

The IV are the images used, pictures of the words will be placed next to the words on the list and another sheet with words only will be used.

The DV will be the amount recalled and will be recorded in tables for each separate group.

The method of sampling will be opportunity, as it’s the most common and uses subjects available at the time. The number of participants will be 60, hopefully 30 male and 30 female.

...read more.

Middle

“On my word will you please turn over the sheets in front of you, the sheets contain words on which you will have 3 minutes to learn, after the time is up those sheets will be removed and you will have a further 3 minutes to write down as many of the words you can remember, this does not have to be in any particular order. Please remember that if at any part in the experiment you do not want to continue, you have the right to leave.”

After the experiment is finished the participants will be thanked and debriefed with another set of standardised instructions;

        “thank you for taking part in an experiment into memory recall, your results will be kept anonymous”

The results will be gathered and recorded in table form.

The use of people of similar age means that the experiment was controlled for subject variablitly.

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Conclusion

ndividual results can be found in the appendix.

The results show that there is a difference of 22% between the amount who got it right with images and those recalled without images.

This supports our initial hypothesis that there would be a significant difference between the results we collected from those who had a list of words only and those who had a list of words with pictures to recall.

CONDITION A

CONDITION B

MEAN

20

14

MODE

19,20

10

MEDIAN

20

13

RANGE

14

16

STANDARD DEVIATION

3.573

3.612

The mean, mode and median of conditions A and B show that there is a significanct difference between the average words recalled in each group. The range of A shows that there was a smaller difference on average of the results than the larger number of condition B which shows a bigger difference in each individuals results.

...read more.

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