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Chater 7 - Research
Data collection and descriptive statistics
18
Psychology
Graduate
05/19/2012

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Cards

Term
collecting data
Definition

1. the construction and organization of the data that you collected

2. the desigation of the coding strategy used to represent data collection form

3. he collection of the actual data

4. entry on the data collection form

Term
data points
Definition
information gathered to help in the research study
Term
raw data
Definition
piece parts used in collecing data
Term
data collection form
Definition
used to record scores and other information after the tests have been scored.
Term
optical scanner
Definition
page 158
Term

optical scoring sheet

 

Definition
page 158
Term
smartphones
Definition
these are mini computers used to organize our daily lives
Term
coding
Definition
the use of digits (rather then words)for entering data
Term
distribution of scores
Definition
accurate first impression of what data looks like
Term
average
Definition

one property of distribution

an individual value that is most representaive of tha disribution or set of scores...

Term
measures of central tendancies
Definition
three types of averages...mean...median and mode
Term
mean
Definition

the sum of a set of scores divided by he number of scores

pg 163

the totals of everything put together, divided by the amount of no. in a sequece

Term
median
Definition

the score in a disribution above 1/2 of the scores lie.

place in sequence from lowest to highest, cout no of scores, find the mean of the two middle scores

Term
mode
Definition
the score that occus more frequetly
Term
variability
Definition
the degree of spread ha characterizes a group of scores differ from some measure of central tendancies.
Term
range
Definition

the difference between the highest and lowest in a sequence of numbers

the difference between the first no. and the last no. of a sequence.

Term
standard deviation
Definition
the average amount that each of the individual scores varies from the mean of the set of scores.
Term
normal curve
Definition

variables such as height and weight are distributed

ex. 167

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