SPRING Power ethics and research design

Question 1

what is power

Answer 1

way of ensuring that the experiment is likely to find the effect we are looking for
avoid type 2 errors - increase chance of finding an effect if there is one

Question 2

what is power related to

Answer 2

effect size
no participants
significance criterion

Question 3

how is effect size related to power

Answer 3

large effect = greater power

Question 4

how is no. participants related to power

Answer 4

more pps = more power

more likely to identify an effect than if too small or no actual effect

Question 5

how is sig criteria (p/alpha) related to power

Answer 5

larger p = more power
likelihood that the results are due to chance
means being more conservative
also depends on if one or two tailed

Question 6

what is acceptable for power

Answer 6

0.8+

80% of finding effect if there is one (20% type 2)

Question 7

es criteria for cohens d/n2

Answer 7

comparing two means/ANOVA

large = 0.8, med = 0.5, small = 0.2

Question 8

es criteria for pearsons r/omega

Answer 8

correlation/association

large = 0.5 , med = 0.3 , small = 0.1

Question 9

ed criteria for cohens f2

Answer 9

multiple regression

large = 0.35, med = 0.15, small=0.02

Question 10

research process

Answer 10

problem - hyp - design - measure - collect - analyise - generalise - prob

Question 11

3 BPS ethics policies

Answer 11

code of conduct
human research ethics
guidelines for internet mediated research

Question 12

BPS code of conduct

Answer 12

respect
responsibility
competence
integrity

Question 13

BPS respect

Answer 13

general respect
confidentiality
informed consent
right to withdraw

Question 14

BPS responsibility

Answer 14

protection of pps

debreif

Question 15

BPS competence

Answer 15

measure what want to measure

Question 16

BPS human research first principles

Answer 16

flexible to demands
respect autonomy, privacy anf dignity of individuals and communities
scientific integrity
social responsibility
max benefit and min harm

Question 17

data protection act DPA

Answer 17

1- data obtained and processed fairly and lawfully
2-obtained for specific purpose and not in manner incompatible with prpose
3- adequate, relevant and not excessive
4- processed in accordance with pps rights
5- kept safe from loss or destruction
6- not transferred outside europe unless adequate protection

Question 18

when might the DPA principles be exempt

Answer 18

if personal data not processed to support measures/decisions with respect to specific individuals (anyone affeceted by the research)

if data is not processed in a way to cause damage/distress to a subject

Question 19

what may occur if principles are exempt

Answer 19

data can be processed alternative to original means
data can be held indefinitely
no right for subject to access data

Question 20

who gives ethics approval if adults, TD children, impaired not in NHS/social or risk intrusive/invasive neuroimaging

Answer 20

school ethics and university committee

Question 21

who gives ethics approval if pps from NHS/social services or with mild intellectual difficulties

Answer 21

NHS/uni committee

Question 22

time for school ethics committee

Answer 22

15 days

Question 23

time for uni committee

Answer 23

committe meetings

Question 24

time for NHS

Answer 24

3+ months

Question 25

what must you do for child pps

Answer 25

get parental consent if