Answer: c. Dr. Michaels administers a questionnaire to gather data on childhood friendships to a group of 5-, 6-, and 7-year-olds. She meets with all three groups and gives them the same questionnaire for the next 3 years and stops when they are 8, 9, and 10 years old.
Explanation:
A longitudinal study in research design can be define as the study which is associated with the repeated observation of the same kind of variable(s). Such variables are examined for the short and long periods of time. It is a type of observational study that can be structured as randomized experiments.
C. is the correct option this is because of the fact that the a single variable is used here that is friendship, to make it a longitudinal study with the same children that were assessed in different years of their age at different time duration.
False
Explanation:if there's no alternative to the question/decision it would become a statement
Answer:
C. Team Sports
Explanation:
Tedium: the state of being tedious.
If you have more people working on something it becomes less tedious then one person going back and forth and doing everything by themselves constantly, so it would be less of a problem for team sports compared to single continuous training sports with one person!
Answer: a cough – which may be dry, or produce thick yellow, green, brown or blood-stained mucus (phlegm)
Explanation: