Pros and Cons of Hydro electric & Wind energy

SOURCE ADVANTAGES DISADVANTAGES   HYDROELECTRICITY Produce inexpensive electricity Disrupt natural river flow Reservoirs used for flood control, irrigation, drinking water, and recreation Slow down river flow that can kill fish and other animals that depend on a steady flow Renewable energy source Alter water quality Increases reliability of energy sources Significant obstacle to fish and…

Methods of Data Collection in Psychology: Pros & Cons

Method Primary Feature Main Advantages Main Disadvantages Case Studies An individual, group, or event is examined in detail, often using several techniques (Ex. Observation, interview, psychological test) Provides rich descriptive info, often suggesting hypotheses for further study. Can study rare phenomena in depth Poor method for establishing cause-effect relations. The person or event may not…