Critical appraisal

Question 1

Three things a hypothesis should include/be

Answer 1

justified by literature, precise, include direction of prediction

Question 2

when should you defo have a hypothesis

Answer 2

when comparing groups

Question 3

difference between cross sectional and longitudinal design?

Answer 3

cross sectional one moment in time longitudinal ver time

Question 4

what should be considered when analysing sampling

Answer 4

need dates, country, if in patients/ outpatients etc.
need to justify sample size using power calculations
must state how recruited and response rates

Question 5

diff between objective and subjective

Answer 5

objective- able to be observed or counted

subjective - subject to interpretation

Question 6

1) describe concurrent and predictive validity

2) which type are they?

Answer 6

1) concurrent means it correlates with other validated measures e.g. another scale. predictive validity - how much can the test predict its outcomes
2) criterion validity

Question 7

describe convergent validity and divergent validity

Answer 7

…

Question 8

what is bonferonni correction

Answer 8

0.05/ number of analysis (if doing loads likely that one is gonna be stat sig)