Study Guides (248,357)
Canada (121,502)
Psychology (531)
PSYC 210 (11)
Midterm

Midterm review from Lecture Notes

3 Pages
190 Views
Unlock Document

Department
Psychology
Course
PSYC 210
Professor
Cathy Mc Farland
Semester
Winter

Description
PSYC 210 MIDTERM REVIEW In-class notes Lecture 2: January 16, 2012 SCALES Classify Order Equal True distances zero Nominal X Ordinal X X Interval X X X Ratio X X X X Summation Notation - = X1+ X 2 X +3… + X N ↑i = 1  lower limit of the summation Algebraic Rules of Summation - Summary of the constant o The sum of k occurrences of constant c o K = # of constants; k times the constant o = c + c + c + … + c = kc o This is just simple multiplication but they're trying to make it look complicated - Summing cX o The sum of the k products, where each product is obtained by multiplying a constant by the score on the variable =equals= the constant times the sum of the variable o = cX1+ cX 2 … + cX k = c (X1+ X2+ … + X k = c - Distributive laws over addition & subtraction - the summation operator can be distributed across variables or constants when they are added or subtracted from one another BUT Sum of products not generally equal to product of sums ≠ ( )( ) Displaying Data - Raw Data or Data Scores – the scores obtained from sampling units before the scores are analyzed statistically - Frequency Distribution – a set of possible values of a variable in a dataset, along with the count of how often each value occurs - Frequency of occurrence – the number of cases in a sample with scores at a specified value - Relative frequency (fR) – the proportion of the sample with scores at a specified value, then multiplied by a hundred o fR = N is the total # of people in t
More Less

Related notes for PSYC 210

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