Answer:
The correct option is C: the number of math problems participants correctly solve
Explanation:
A dependable variable is simply the variable in a research or experiment that is being tested. When the researcher alters the independent variable, there is a change in the dependable variable, and this change is recorded. From the experiment, since participants are either already sad or happy, depending on the type of story they read, Judith want to measure the effect of these moods on the problem solving ability, hence the number of questions answered would depend on the mood of the participants.
Answer:
the reason why Africa still is having difficulty dealing with diseases is because of how bad the economy is in Africa.
Explanation:
1) Newspapers
2) Television
3) Raido
The lab report serves as a reference about the methods, procedures and the results.
It will be the place where you will look to understand why your results are they way they are and whether for example the result could be due to some unwanted influence.