Class Notes (837,488)
Canada (510,274)
Psychology (2,794)
PS101 (736)
Lecture

Chapter 2-Psych.doc

4 Pages
153 Views
Unlock Document

Department
Psychology
Course
PS101
Professor
Lawrence Murphy
Semester
Winter

Description
Wlu.sona-systems.com midterm-october 17 th 50 mc choice arrive at 6:20 and write for 1 hour Chapter 2 Scientific approach a search for laws theory-proven hypothesis-i.e theory of gravity figure 2.1  basic assumption:events are goverend by some lawful order  goal ◦ measurement and description ◦ understanding and prediction ◦ Application and control  operational definitions used to clarify precisely what is meant by each variable ◦ understanding and visually simplfying certain idea's (i.e emotions, visually expressing happiness)  participants or subjects are the ogranims whose behaviour is systemically observed in a study  Data collection techniques allow for empirical observation and measurement  Statistics are used to analyze daya and decide whether hypotheses were supported ◦ cannot be used to prove anything  finding are shared through reports at a scientific meeting and in scientific journal-periodicals that publish technical and scholary material ◦ advantages of the cientific method: clarity of communication and relative intolerance of error  Research methods: general stragegies for conducting scientific studies  Experiment=manipulation of one variable under controlled conditions so that resulting changes in another variable can be obseved ◦ detection of cause and effect relationships  Independent vairable=variable manipulated  dependent variable=variable affected by manipulation  experimental group-subjects who receceive some special treatment in regard to the independent variable  Control group-SIMILAR subjects who do not receive the special treatment ◦ Logic ▪ 2 groups alike in all respects (random) ▪ manipulate indepentent variable for only one group ▪ resulting differences in the two groups must be tdue to the independent variable  Extraneous and confounding variables  Expose a single group to different conditions ◦ Reduces extraneous variables  Manipulate more than one independent variable ◦ allows for study of interactions between variables  Use more than one dependent variable ◦ obtains a more complete picture of effect of the independent variable ◦ figure 2.2  Strengths: ◦ conclusions about cause and effect can be drawn  Weaknesses ◦ artificial nature of experiments ◦ ethical and pratical issues Descriptive/ correlational methods  methods used when a reasearches cannot manipulate the variables under study ◦ naturalistic obsevation ◦ case studies ◦ survey's  Allows researchers to describe patterns of behaviour and discover links or associating between variables but cannot imply causation
More Less

Related notes for PS101

Log In


OR

Join OneClass

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

Sign up

Join to view


OR

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.


Submit