Chapter 1L

Question 1

Accuracy

Answer 1

Degree of measurement’s close to the quanity’s actual value

Question 2

barometric pressure

Answer 2

Pressure exerted by ambient air

Question 3

central tendency

Answer 3

Score that best represents all scores collected for a group

Question 4

dependent variable

Answer 4

Effect or yield of the independent variable.

Question 5

displacement

Answer 5

Legnth that an object moves in a straight line between two points.

Question 6

distance

Answer 6

total legnth that an object travels (may or may not be in a straight line)

Question 7

energy

Answer 7

Capacity to do work

Question 8

field/laboratory test

Answer 8

Test that can be completed in either a field or a laboratory setting

Question 9

force

Answer 9

Mass multiplied by acceleration

Question 10

field test

Answer 10

Test completed in a field setting

Question 11

independent variable

Answer 11

variable that is manipulated

Question 12

laboratory test

Answer 12

Sophisticated test that must be conducted in a laboratory setting

Question 13

mass

Answer 13

Measure of matter that constiuteess an object; expressed in kg.

Question 14

mean

Answer 14

Average score of a sample

Question 15

median

Answer 15

middle score of a sample

Question 16

mode

Answer 16

most frequent score in sample

Question 17

normative data

Answer 17

placement within a population; also referred to as norms or norm data

Question 18

power

Answer 18

Rate at which work can be performed.

Question 19

precision

Answer 19

Degree to which a test is reproducable with nearly the same value

Question 20

range

Answer 20

Distance beween end points in the group of scores

Question 21

relative humidity

Answer 21

Amount of water or percent saturation in ambient air

Question 22

reliability

Answer 22

repeatability of a measure

Question 23

speed

Answer 23

scalar quanity generally considered to be how fast a body is moving; calculated by dividing distance covered by time

Question 24

standard

Answer 24

desirable or target score

Question 25

standard deviation

Answer 25

Measure of variability that shows variation or dispersion from the mean

Question 26

validity

Answer 26

Accuracy of a measure

Question 27

variable

Answer 27

a characteristic

Question 28

variability

Answer 28

spread of a data set

Question 29

velocity

Answer 29

vector quantity calculated by dividing displacement by time

Question 30

wet-bulb globe temperature (WBGT)-

Answer 30

measure of temperature that estimates cooling capacity of the surrounding environment

Question 31

work

Answer 31

Force times the distance through which it acts