practical

Question 1

aim?

Answer 1

• to investigate if there is a relationship between the height of an individual in feet and how aggressive they are, which was measured using a likert scale out of 40.

Question 2

what was the hypothesis’s for this study?

Answer 2

• alternative hypothesis = there will be a significant correlation between the height of a participant (ft) and how aggressive they are represented through a likert scale out of 40.
• null hypothesis = there will be no correlation between the height of an individual (ft) and how aggressive they are represented through a likert scale out of 40. any relationship will be due to chance.

Question 3

what design was used?

Answer 3

• correlational design was used.

Question 4

sample?

Answer 4

• 20 ptps (10 males 10 females)
• between 18-60
• midlands
• opportunity sampling

Question 5

where did they study take place?

Answer 5

• took place in a controlled environment of a class room

Question 6

procedure?-

Answer 6

• individuals were given the questionnaires
• briefed both verbally and in writting on the top of the questionnaire which outlined the ptps instructions and relevant ehical guidelines such as the write to withdraw.
• asked to read brief and complete q’s with no interference from anyone around

Question 7

how long did ptps have to do the questionnaire?

Answer 7

• 15 mins maximum

Question 8

what happened after the ptps completed the Questionnaire?

Answer 8

• they were collected in by the experimenter present and a final verbal de-brief was read to participants to ensure their well-being.

Question 9

ethics and risk managment?

Answer 9

• briefed before and after experiment
• the sample used were over 18 to protect childrens emotions as the study involves discussing aggression which is a mature topic.

Question 10

what was said in the brief?

Answer 10

• hello thank you for taking part in this psychological questionnaire
• results will be kept confidential and annoymous
• you have full right to withdraw you have no obligation to take this study if you feel uncomfortable
• please answer as honestly as possible
• thank you

Question 11

what statistical test was used and why?

Answer 11

• spearmans rank
• correlational data
• ordinal data

Question 12

what was the calculated value?

Answer 12

0.75

Question 13

what was the critical value?

Answer 13

0.378

Question 14

what does the result of the stats test mean?

Answer 14

• as the calculated value is bigger than the critical value the alternative hypothesis can be accepted and the null can be rejected. this suggests that our results are significant and have only a 5% likelihood of being down to chance.

Question 15

generalisability?

Answer 15

• large age range 18-60
• however small sample of only 20 (10 boys and 10 girls)
• midlands area
• unlikely to be representative of the whole population
• may not be very culturally diverse.

Question 16

reliability?

Answer 16

• yes, use of standardised procedure; questionnaires, and maximum time of completing them in 15 mins easy to replicate

Question 17

application?

Answer 17

• provided psychologists and society with another factor that may contribute towards aggressive behaviour which is useful when trying to think of preventative treatments for offenders for example.

Question 18

validity?

Answer 18

• internal validity = took place in a controlled environment of a class room with experimenter’s monitoring closely ensuring they were being done independently
• lacks subjectivity as they are self-report data which may be bias or not honest.
• ecological validity = the sample asked were teachers and students of the school so the classroom would of been a familiar environment to them.

Question 19

ethics?

Answer 19

• de-brief and brief included
• right to withdraw and anonymity
• over 18 years old only
• aggression is a mature topic and may be sensitive for some participants

Question 20

what was an example of some of the questions asked?

Answer 20

• “i regularly lose my temper” (strongly agree, agree, don’t know, disagree)
• “i often play violent video games”

Question 21

what kind of questions were also included to ensure the validity of the study?

Answer 21

• filler questions such as “i regularly play sport”

- and liar questions such as “i have never cheated on a board game”

Question 22

strengths and weaknesses of using correlations?

Answer 22

• no IV or DV as you are looking for a relationship which makes it less scientifically credible.