Psych Stats 330 Test 1 Review
Questions and Answers
Descriptive Statistics - ANSWER-Uni-variate. One variable at a time. 1 scale of
measure. Describing Statistics
Inferential Statistics - ANSWER-Bi-variate or multi variate Which hypothesis we are
testing, Association or Difference.
Hypothesis of Association - ANSWER-correlation or relationship 2 measures/variables
NOT CAUSATION!
Hypothesis of Difference - ANSWER-the experiment independent variable testing
against
dependent variable - IV/DV - effect of ___ on ___ - manipulating=different, not
manipulating=association
Levels of Measurement - Nominal Scale - ANSWER-scale of measurement (check a
box M or F or Race) - "naming"
data (categorical)
Levels of Measurement - Ordinal Data - ANSWER-"naming" + order (numbers 10,9,8 or
metals G,S,B) - 1 variable must be ordinal (categorical)
1 Measure IV/DV.
Scientific Method - ANSWER-State problem (theory, hypothesis, identify variables),
design research study (relevant info, hypothesis, association & difference),
measurement, analysis (test hypothesis), conclusion (support or not *not prove,
reconsider theory, ask new questions)
Histogram - ANSWER-Bar graph
Frequency Distribution - ANSWER-line graph, y & x axis
x axis abscissa - ANSWER----> horizontal
y axis ordinate - ANSWER-vertical
Central Tendancies - ANSWER-A measure used to describe data; the mean, median,
and mode are measures of central tendency.
Questions and Answers
Descriptive Statistics - ANSWER-Uni-variate. One variable at a time. 1 scale of
measure. Describing Statistics
Inferential Statistics - ANSWER-Bi-variate or multi variate Which hypothesis we are
testing, Association or Difference.
Hypothesis of Association - ANSWER-correlation or relationship 2 measures/variables
NOT CAUSATION!
Hypothesis of Difference - ANSWER-the experiment independent variable testing
against
dependent variable - IV/DV - effect of ___ on ___ - manipulating=different, not
manipulating=association
Levels of Measurement - Nominal Scale - ANSWER-scale of measurement (check a
box M or F or Race) - "naming"
data (categorical)
Levels of Measurement - Ordinal Data - ANSWER-"naming" + order (numbers 10,9,8 or
metals G,S,B) - 1 variable must be ordinal (categorical)
1 Measure IV/DV.
Scientific Method - ANSWER-State problem (theory, hypothesis, identify variables),
design research study (relevant info, hypothesis, association & difference),
measurement, analysis (test hypothesis), conclusion (support or not *not prove,
reconsider theory, ask new questions)
Histogram - ANSWER-Bar graph
Frequency Distribution - ANSWER-line graph, y & x axis
x axis abscissa - ANSWER----> horizontal
y axis ordinate - ANSWER-vertical
Central Tendancies - ANSWER-A measure used to describe data; the mean, median,
and mode are measures of central tendency.
