Of these ways, the approaches that most differentiate case studies from other techniques are direct observation and participant observation.
Direct observation and participant observation differentiate case studies from other techniques.
Case studies are the same as other techniques.
The woman and dog are jogging down the street.
Towards the end of the 1100s, the Kamakura shogunate was established.
Benal was all Muslims.
The decor is based on contemporary modern design.
One man is crying.
People put on coats in the snow.