prepare test 1

Question 1

measure of the extent to which 2 variables change together and thus of how well either variable predicts the other

Answer 1

correlation

Question 2

statistical index of the relationship between 2 variables (-1, +1)

Answer 2

correlation coefficient

Question 3

graphed cluster of dots, which represents the values of two variables

Answer 3

scatter plot

Question 4

peak/mode to the left skew to the right

Answer 4

positive

Question 5

peak mode to the right skew to the left

Answer 5

negative

Question 6

perception of a relationship where none exists(correlation does not equal causation)

Answer 6

illusory correlation

Question 7

a research method in which an investigator manipulates one or more factors to observe the effects on some behavior or mental process

Answer 7

experiment

Question 8

which group is exposed to the treatment or independent variable

Answer 8

experimental group

Question 9

the variable that is manIpulated

Answer 9

Independent variable

Question 10

the mEasurable variable

Answer 10

dEpendent variable

Question 11

the group that does not get exposed to the treatment or independent variable

Answer 11

control group

Question 12

what is called when you assign participants to experimental and control groups by chance.

Answer 12

random assignment

Question 13

what procedure does both the researcher and the participant do not know who got the treatment or the placebo

Answer 13

double blind

Question 14

what effect is when experimental results are caused by expectations alone.
-not real meds
-I SHALL PLEASE

Answer 14

placebo effect

Question 15

The independent variable is the experimental factor that is _____

Answer 15

manipulated/experimental

Question 16

What variable is a factor that MIGHT produce an effect or unwanted effect in an experiment

Answer 16

confounding variable

Question 17

What variable controls the outcome factor
-what is measured

Answer 17

dependant

Question 18

what is a extent to which a test or experiment measures or predicts what it is supposed to

Answer 18

validity (pink drink)

Question 19

what is enduring behaviors, ideas, attitudes and traditions shared by a group of people

Answer 19

culture

Question 20

ethical principle that research participants must be told enough to enable them to choose whether they wish to participate

Answer 20

informed consent

Question 21

after/post experimental explanation of the study including its purpose and any deceptions to its participants.

Answer 21

debriefing

Question 22

a numerical data used to measure and describe characteristics of groups including measures of central tendency and measures of variation.

Answer 22

descriptive statistics

Question 23

similar to a bar graph this diagram depicts a frequency distribution

Answer 23

histogram

Question 24

which of the 3 Ms is most frequently occuring.

Answer 24

mode

Question 25

which of the 3 Ms is average of distribution

Answer 25

mean

Question 26

which of th 3 Ms is the middle score

Answer 26

median

Question 27

what distribution is a representation of scores that lack symmetry around their average value - can be positive -can be negative

Answer 27

skewed distribution

Question 28

range is the difference between ___ and ___ scores in a distribution

Answer 28

highest and lowest

Question 29

what deviation is computed measure of how much scores vary around the mean score

Answer 29

standard deviation

Question 30

what kind of curve is symmetrical and bell shaped

Answer 30

normal bell curve

Question 31

what is number data that allows one to generalize one to infer from sample data the probability of something being true of a population

Answer 31

statistical significance

Question 32

what is the view that knowledge originates in experience and that science should therefore rely on observation and experimentation.

Answer 32

Empiricism