Data were collected in twenty major urban areas on the percent of women in the labor force. data were collected in 1968 and again in 1972. gains or losses in this percent were the basis for discussing whether or not there had been an increase in percent of women in the labor force over the period. what kind of design was this?

Matched pairs design

Explanation:

A matched pairs design is a type of study used when 2 treaments are present in an experiment. The individuals in the design can be divided into pairs using a blocking variable, and each pair can then be allocated to treatments at random. This is thus a special type of randomized block design.

In this case the blocking variable can be the various urban areas as 1968 is matched against 1972. Each city can be compared based on 2 measurements. From their each individual can be grouped into pairs and allocated to different treatments.

it is a i took the test.

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