hey everyone welcome to polly's psychology i hope you all are doing good in this video we'll start chapter 2 class 11 chapter 2. methods of inquiry in psychology so now you might be having a fair idea psychology is the study of behavior experiences and the mental processes okay so you joe psychological psychological enquiry study it also helps to develop new theories or constructs psychological [Applause] or the fourth step is subjective interpretation of the next topic is nature of psychological data now data is an important input in psychological inquiry or job data they are not independent of the physical social context or people and the time when the behavior occurs it is related to your body your physical physiological and psychological data like your height weight heart rate up blood oxygen level duration of sleep bp pattern of dreams yes last is psychological information the these includes areas like intelligence personality interest creativity psychological disorders motivation psychological data now let's observational now let's move to the second method second method experimental method now it is conducted to establish the cause effect relationship between the events or variables in a controlled setting just like nam say absolutely is the behavior that changes because of manipulation experimental method the concept of variable now what is a variable any stimulus or event which varies temperature uh is the random assignment of participants to different groups it eliminates any potential systematic differences between the groups now experimental settings experiments first is field now third method is correlational method uh strength and the direction of relationship between two variables which is represented by a number is known as the co relation coefficient the correlation method these are found may be close to 0.02 or plus point uh in the negative correlation point zero two and then the positive correlation point zero three this indicates that no significant relation exists between two variables or the two variables are unrelated zero correlation value so i hope you liked it don't forget to like comment share and subscribe thank you for watching