Concept:
Bronfenbrenner's ecological theory explains human development through interaction with different environmental systems.
Step 1:
Macrosystem includes broader cultural values, beliefs, customs, and ideologies affecting individuals.
\[
A \text{ is correct}
\]
Step 2:
Mass media and workplace belong mainly to the exosystem, not microsystem.
\[
B \text{ is incorrect}
\]
Step 3:
Chronosystem refers to time-related changes and life transitions, not only childhood educational institutions.
\[
C \text{ is incorrect}
\]
Step 4:
“Endosystem” is not one of Bronfenbrenner's recognized systems.
\[
D \text{ is incorrect}
\]
Step 5:
Mesosystem refers to interactions between components of microsystems such as family, school, and neighbourhood.
\[
E \text{ is correct}
\]
Step 6:
Thus, the correct statements are:
\[
A \text{ and } E \text{ Only}
\]
\[
\boxed{\text{(4) A and E Only}}
\]