Class notes
Behavioral statistics unit 1
- Course
- Psych 250 (PSYC250)
- Institution
- State University Of New York - Geneseo
Notes on behavioral statistics for unit 1
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, Intro to statistics:
8/30/23
·
basics mathmatics review p GCS
.
statistics help us determine the gap
peoples individual experiences influence
cultural background
researcher needs to be clear about the
group
POPULATIONS + SAMPLIS
i s
population
-
the set of all individuals in a particular study
can be large or small
-
-
usually people , but not
always (mice or rats)
sample
-
a subject of the population- should reflect
population
-
intended to be representative of the population
depends lots of details
-vary in size on question collecting smaller size
-
-
,
L !
very important
describes
parameter-characteristic that a population
describes
tatisticcharacteristic
· that aam a
DESCRIPTIVE+ INFIRINTIAL STATISTICAL MITHODS
unit
procedures statistics-statistical that are used to
simplify and summerize the data
sample not gonna reflect pop .
Inferntial statistics
~
statistical procedure that allow us to make
generalization from the sample to the population
-sampling error-discrepancy between sample statistic and population parameter
AND CONTINOUS VARIABLES
muMRIT
discrete variable -
consist of separate indivisible categories /numbers or labels) -
Can't have 2 .
5 kids ,
continuous variable -
can be divided into an infinite number of fractional parts -
between / second and 2 seconds
* unlikely that any two people would have the exact same score
o each measurement category is actually an interval that must be defined by boundaries
the terms continuous or discrete apply to the variable , not the scores you obtain
ex
weight
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