PSY 302 Lecture 3: lec3
Document Summary
The scientific method: research should be done thru scientific method. Relevance to hypotheses in regards to what is being measured. Amount of agreement in the observations of different raters who witness the same behaviour. Degree of similarity of a child"s performance on two or more occasions: when you do test once, and repeat- under same condition then you expect same measurement. Validity: degree to which a test measures what it is intended to measure. Structured interviews: useful when goal is to collect self-reports on same topics from everyone being studied: same questions are being asked to each child. Questionnaires: information gathered simultaneously through uniform set of questions presented to participants. Caveat about interviews: altho interviews yield a great deal of data quite quickly and can provide in depth info about individual chidlren, the answers to interview questions are often biased. Advantages and disadvantages of three contexts for gathering data.
