Select the TWO correct statements from those below with regard to psychological research: 1.You can fully understand the result of an IQ test without knowing anything about intelligence testing and standard scores. 2. if two things are correlated this signifies that one is the cause of the other. 3. A good knowledge of psychological research methods allows you to avoid making the mistakes that journalists politicians and many others make because they lack the necessary conceptual understanding. 4. In most countries, in order to become a psychologist, you will be required to conduct a piece of psychological research.