The correct answer is <span>B. Secretary of State
The first in line is the Vice President, the second is </span><span>Speaker of the House of Representatives, the third is </span><span>President pro tempore of the US Senate, and the fourth is </span><span>Secretary of State. </span>
Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
Developmental psychology is the main priority of longitudinal studies in the study of personality.
<h3>Why are longitudinal studies important to developmental psychology?</h3>
They are advantageous for recognizing any modifications, developments, or patterns in the features of a target population. Longitudinal studies are often employed in clinical and developmental psychology to study shifts in behaviors, thoughts, and feelings as well as trends throughout a lifetime.
The study of a variable or group of variables in the same cases or participants over some time, several years.
We are more affected by environments at certain times in our lives the main significance of longitudinal studies is in the study of personality.
To learn more about developmental psychology visit the link
brainly.com/question/15650981
#SPJ4
Answer: Social class
Explanation: Social class is the use of socio-economic status to rank individuals in a society. Social class ranks people on the social ladder of the society.
Alabama was the first Confederate state
Hope this helps