week 10

Question 1

define validity

Answer 1

the extent to which a studys conclusions are accurate as well as the ability of th instrument to measure what its suppose to

Question 2

define internal validity

Answer 2

refers to the extent which the indepenent variable can cause a change in the dependent variable basically the trustworthiness of the cause and effect relationship between the experiment

Question 3

define external validity

Answer 3

the extent to which results of a study can be generalized to other studies, populations or real world

Question 4

define precision

Answer 4

Precision generally relates to the consistency and repeatability of measurements—how close multiple measurements of the same item are to each other

Question 5

define reliability

Answer 5

refers the consisitency/repeatbility of the data, bascially if the stidy is repeated it shold be giving similiar results

Question 6

define specificity

Answer 6

refers to a test’s ability to correctly identify those without the condition (true negatives). It’s about excluding those who don’t have the condition

Question 7

define sensitivity

Answer 7

refers to a test’s ability to correctly identify those with the condition (true positives). It’s about catching as many true cases as possible.