A Questionnaire Contained the Item "Social Class" with Responses of Lower

question 68

Multiple Choice

A questionnaire contained the item "social class" with responses of lower class,lower middle class,middle class,upper middle class,upper class.The researcher asks respondents to check the one that describes them.The researcher is using this question to measure:

• A) direct observables
• B) indirect observables
• C) constructs
• D) nominal variables

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Definitions:

Disjunction

The separation of chromosomes or sister chromatids during cell division, leading to the distribution of genetic material into daughter cells.

Chromosome 21

One of the 23 pairs of human chromosomes, an extra copy of which is associated with Down syndrome.

Linkage Map

A genetic map based on the frequencies of recombination between markers during crossover of chromosomes.

Linkage Group

Term used to identify groups of alleles on a chromosome that tend to be inherited together.