Test 1

Question 0

Variable

Answer 0

Property of some event, object, or person that may change value. Inclu social values.

Question 1

Ways of establishing truth

Answer 1

Tenacity, intuition, authority, rationalism, empiricism

Question 2

Constant

Answer 2

Value that stays the same.

Question 3

Data

Answer 3

Measurements that are made on the subject

Question 4

Population

Answer 4

The complete set of individs, objects, or scores that the investigator is studying

Question 5

Sample

Answer 5

Subset of pop that data is collected from

Question 6

Statistic

Answer 6

Number calculated on sample data that quantifies a characteristic of the sample (to est parameter)

Question 7

Parameter

Answer 7

Number calculated on pop data that quantifies a characteristic of the pop

Question 8

Descriptive statistics

Answer 8

Used to describe or characterize the obtained data

Question 9

Inferential statistics

Answer 9

Uses obtained sample data to infer to pop

Question 10

Independent variable (IV)

Answer 10

Variable that is manipulated by investigator. The cause.

Question 11

Dependant variable (DV)

Answer 11

Variable investigator measures to determine the effect of IV.

Question 12

Nominal

Answer 12

Has categories, counts things (24 A’s, 6 B’s, 3 C’s)

Question 13

Ordinal

Answer 13

Has an order, ranks things (A>B>C)

Question 14

Interval

Answer 14

Has equal intervals between adjacent units, measures between different things (A-B=B-C)

Question 15

Ratio

Answer 15

Has an absolute 0 point, measures ratios (twice as much, three times less) (temp, height, weight)

Question 16

Most used measurement scale

Answer 16

Interval. Better for calculations.

Question 17

Discrete

Answer 17

No middle ground (married/unmarried)

Question 18

Continuous

Answer 18

Values in between. Percentages.

Question 19

Real limits

Answer 19

Values that are above and below the recorded value by 1/2 smallest unit of measurement used

Question 20

Frequency distribution

Answer 20

Rep values of the variable & their frequency of occurrence

Question 21

Relative freq

Answer 21

Proportion of the total number of scores in each interval. F(x)=f(x)/n (percentage)

Question 22

Cumulative freq

Answer 22

Number of scores that fall below the upper real limit of each interval.

Question 23

Cumulative percentage

Answer 23

Last entry is 100.