A matched pairs design involves:

A. matching pairs of participants based on a variable and then randomly assigning one member of each pair to each group.
B. randomly assigning participants to groups and then matching pairs of participants.
C. an attempt to control for order effects.
D. matching pairs of participants based on researcher preference and then randomly assigning half the pairs to each group.

The correct option is A. matching pairs of participants based on a variable and then randomly assigning one member of each pair to each group.

Explanation:

A matched pairs design involves matching pairs of participants based on a variable and then randomly assigning one member of each pair to each group.

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.

the answer is "meiosis ii in the mother".

the procedure of meiosis includes two divisions of the hereditary material. the main division is known as the decrease division – or meiosis i – on the grounds that it lessens the quantity of chromosomes from 46 chromosomes or 2n to 23 chromosomes or (n depicts a solitary chromosome set). in people, the decrease division results in two sperm cells each with 23 chromosomes or an egg cell with 23 chromosomes and one disposed of polar body. the second division – or meiosis ii – is called equational division. the two sperm cells split again creating four sperm cells, each with 23 or n chromosomes. in oogenesis, the egg cell and polar body partition to shape the ovum and two extra polar bodies. along these lines, the posterity are guaranteed to get one portion of the chromosomes from the mother and one half from the dad.