PSYX 222 Exam 1 Questions with
complete solution 2025
Parameters - correct answer values that describes a population, usually
derived from the measurements of the individuals in a population
Sample - correct answer set of individuals selected to represent a population
statistic - correct answer Value that describes a sample
variable - correct answer characteristic or condition that changes or has
different values for different individuals
data - correct answer measurements or observations
data set - correct answer collection of measurements or observations
datum - correct answer single measurement or observation; commonly called
a score of raw score
descriptive statistic - correct answer procedure used to summarize, organize,
and simplify data
inferential statistic - correct answer technique that allows one to make
generalization about the populations from which samples were selcted
sampling error - correct answer naturally occurring discrepancy between a
sample statistic and the corresponding population parameter
, construct - correct answer internal attribute that cannot be directly observed
but is useful for describing and explaining behavior
operation definition - correct answer procedure for measuring external
behavior wherein the resulting measurements measure a hypothetical
construct
discrete variable - correct answer value consisting of separate, indivisible
categories, wherein no values can exist between who neighboring categories
continuous variable - correct answer value which is divisible into an infinite
number of functional parts
real limit - correct answer boundary of intervals for scores that are
represented on a continuous number line
upper real limit - correct answer boundary at the top of the interval
lower real limit - correct answer boundary at the bottom of the interval
nominal scale - correct answer set of categories that have different names
ordinal scale - correct answer set of categories that are organized in an
ordinal sequence
interval scale - correct answer set of ordered categories that are all intervals
of exactly the same size
complete solution 2025
Parameters - correct answer values that describes a population, usually
derived from the measurements of the individuals in a population
Sample - correct answer set of individuals selected to represent a population
statistic - correct answer Value that describes a sample
variable - correct answer characteristic or condition that changes or has
different values for different individuals
data - correct answer measurements or observations
data set - correct answer collection of measurements or observations
datum - correct answer single measurement or observation; commonly called
a score of raw score
descriptive statistic - correct answer procedure used to summarize, organize,
and simplify data
inferential statistic - correct answer technique that allows one to make
generalization about the populations from which samples were selcted
sampling error - correct answer naturally occurring discrepancy between a
sample statistic and the corresponding population parameter
, construct - correct answer internal attribute that cannot be directly observed
but is useful for describing and explaining behavior
operation definition - correct answer procedure for measuring external
behavior wherein the resulting measurements measure a hypothetical
construct
discrete variable - correct answer value consisting of separate, indivisible
categories, wherein no values can exist between who neighboring categories
continuous variable - correct answer value which is divisible into an infinite
number of functional parts
real limit - correct answer boundary of intervals for scores that are
represented on a continuous number line
upper real limit - correct answer boundary at the top of the interval
lower real limit - correct answer boundary at the bottom of the interval
nominal scale - correct answer set of categories that have different names
ordinal scale - correct answer set of categories that are organized in an
ordinal sequence
interval scale - correct answer set of ordered categories that are all intervals
of exactly the same size
