ascertainment
11ascertainment — as·cer tain·ment || ‚æsÉ™(r) teɪnmÉ™nt n. act of making certain, finding out, verification …
12ascertainment — as·cer·tain·ment …
13Ascertainment — RadioPP The formal process of determining a community s needs …
14incomplete ascertainment — ascertainment in which only those sibships with at least one affected sib are identified; this is far more common than complete ascertainment …
15ascertainment bias — systematic error causing failure to represent equally all groups of cases or persons that should be represented in a sample …
16multiple ascertainment — a type of incomplete ascertainment in which some sibships are counted more than once because they have more than one affected member; multiplex families (those with more than one affected member) have a higher chance of being ascertained than… …
17single ascertainment — a type of incomplete ascertainment in which there is no chance that any one sibship will be ascertained more than once; thus there is only one proband in each sibship, and the chance that a sibship will be ascertained is proportional to the… …
18truncate ascertainment — a type of incomplete ascertainment in which any sibship in which there is no affected member is not ascertained …
19cost ascertainment grouping — (CAG) A method that classifies post offices according to volume of revenue generated. Each year, the Postal Bulletin publishes the number of revenue units for each classification. CAG A G offices with about 950 or more revenue units. CAG H J… …
20complete ascertainment — the method in which families for study are selected through affected parents, and all their offspring are included …