SLP Praxis Practice Test Exam with 100% Correct Answers 2023

SLP Praxis Practice Test Exam with 100% Correct Answers 2023 Researchers often use cross-sectional studies to study children's development in various areas. What is a difficulty with cross-sectional studies? 1. The same subjects are studied over time, and this is expensive, time consuming, and difficult because subjects might drop out of the study. 2. The investigator is examining data already on file to answer questions about children in various age groups, and that data might not be reliable. 3. Observations are made of differences between subjects of different ages to generalize about developmental changes that would occur within subjects as they mature. 4. The total age span of children to be studied is divided into several overlapping age spans, and it is difficult to follow subjects from the lower to the upper end of each age span. - Correct answer-Observations are made of differences between subjects of different ages to generalize about developmental changes that would occur within subjects as they mature.