Class Notes (839,096)
Canada (511,185)
Psychology (1,975)
PSY 302 (207)


11 Pages

Course Code
PSY 302
Alba Agostino

This preview shows pages 1,2 and half of page 3. Sign up to view the full 11 pages of the document.
Class NotesLecture 2Chapter 1 continuedChapter 2Methods for Studying Child Development AThe Scientific MethodBContexts for GatheringData about ChildrenCCorrelation and CausationDDesigns for Examining DevelopmentThe scientific method1Choosing a question2Formulating a hypothesisie an educated guess3Testing the hypothesis4Drawing a conclusion Importance of Appropriate Measurement1Relevance to Hypotheses 2Reliability 3Validity Reliability and Validity Is a particular test a good measure of developmentMust be both reliable and validReliability and Validity Measurement contdValidityoExtent to which a test accurately reflects what it is intended to measureoValidityreliabilityReliabilityvalidityIntelligence and a tape measure exampleReliabilityThe degree to which independent measurements of a given behavior are consistentInterrater reliability The amount of agreement in the observations of different raters who witness the same behaviorTestretest reliability Attained when measures of performance are similar on two or more occasions1ValidityRefers to the degree to which a test or experiment measures what it is intended to measureResearchers strive for two types of validityInternal validity is the degree to which effects observed within experiments can be attributed to the variables that the researcher intentionally manipulatedExternal validity is the degree to which results can be generalized beyond the particulars of the research BContexts forGathering Data about Children1Interviews2Naturalist Observation3Structured Observation1InterviewsStructured interview A research procedure in which all participants are asked to answer the same questionsClinical interview A procedure in which questions are adjusted in accord with the answers the interviewee providesCaveat Although interviews yield a great deal of data quite quickly and can provide indepth information about individual children the answers to interview questions are often biased 2Naturalistic observationObserve situation without interveningExamine how eventsbehaviors unfold in a natural settingPeplerCraig 1995 example Naturalistic observationProblem with naturalistic observationStructured observationExposure to a setting that might cue behavior in question 2
More Less
Unlock Document

Only pages 1,2 and half of page 3 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.