You are analyzing data that has been collected in annual waves for the past twenty years. Which of the following might be problematic in this type of analysis?
a. many similar questions were asked during each of these waves, and the wording is consistent
b. for the entire twenty years, the data was collected by personal interviews
c. the definitions of some key items have changed over time within the culture
d. using variables that are operationalized consistently over time
Question 2
Being able to benefit from the work of topflight professionals and esteemed academics is an advantage of using:
a. secondary data
b. published statistics
c. nonpublic agency data
d. new data collected by agency staff
Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag
Responses to Sound Waves
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
The age-related increase in spirituality is different for two cohorts born seven years apart. The ...
Inferring Productivity from Data on Output and Factor Accumulation
Annual Earthquake Occurrence