Which of the following statements is correct about parity?
a. Refers to the total number of pregnancies continued beyond 20 weeks gestation, regardless of the outcome (i.e. live birth or stillbirth) and parity is influenced by multiple births (plural pregnancies are counted as two).
b. Refers to the total number of pregnancies continued beyond 20 weeks gestation, regardless of the outcome (i.e. live birth or stillbirth) and parity is not influenced by multiple births (plural pregnancies are counted as one).
c. Refers to the total number of pregnancies less than 20 weeks gestation, regardless of the outcome (i.e. live birth or stillbirth) and parity is influenced by multiple births (plural pregnancies are counted as two).
d. Refers to the total number of pregnancies less than 20 weeks gestation, regardless of the outcome (i.e. live birth or stillbirth) and parity is influenced by multiple births (plural pregnancies are counted as two).
Question 2
Validity is the ability of a test to measure:
a. repeatabilitythat a method of measurement consistently gives the same results.
b. generalisability of results.
c. what it sets out to measure, usually differentiating between those with and without the disease.
d. the occurrence of false-positive results and true-positive results.
Any number of crossovers gives 50 percent recombinants
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