UNIT 2: RESEARCH METHODS

Question 1

sample technique where we select a group of subjects for study from a larger group

Accepted Answer

random sampling

Question 2

A ____ Distribution has the bulk of the graph to the right, A ____ distribution is to the left.

Accepted Answer

negative and positive skew

Question 3

a substance that has no medicinal effect, used as a control in testing new drugs.

Accepted Answer

Placebo

Question 4

Result that is not likely to occur randomly, but likely to be attributable to a specific cause

Accepted Answer

Statistical significance

Question 5

Function that represents the distribution of many variables as a symmetrical bell-shaped graph.

Accepted Answer

Standard Deviation, Normal Distribution

Question 6

What is the Case Study Method?

Accepted Answer

involves an intensive investigation of one or more persons

Question 7

When there is a negative correlation, one variable ___ while the second variable ___.

Accepted Answer

increases; decreases

Question 8

What describes the direction and strength of the relationship between two sets of observations?

Accepted Answer

Correlation Coefficient

Question 9

What are the three measures of central tendency?

Accepted Answer

Mean, Median, Mode

Question 10

When there is a positive correlation, one variable ___ while the second variable ___.

Accepted Answer

increases; increases

Question 11

a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a fact

Accepted Answer

Experiment

Question 12

The ________________ is a measure of how spread out numbers are

Accepted Answer

Standard Deviation

Question 13

Method where the psychologist observes a subject in a natural setting without interfering

Accepted Answer

Naturalistic Observation

Question 14

experimental technique for assigning subjects to different groups in an experiment randomly

Accepted Answer

Random Assignment

Question 15

The _____ group receives a test while the ____ group is used as a reference to see if it works

Accepted Answer

experimental , control

Question 16

Believing that newly obtained information was already known by oneself is called what?

Accepted Answer

Hindsight Bias

Question 17

A _____ has gaps between bars and categories on the x axis, whereas a ____ has no gaps.

Accepted Answer

Bar Chart and Histogram

Question 18

Experimental procedure where the subjects and the experimenters don't know what is being tested

Accepted Answer

Double-Blind Experiment

Question 19

The _____ variable is the one being tested, while the ______ variable is the one being measured

Accepted Answer

Independent, Dependent

Question 20

Research method where information is obtained by asking individuals a fixed set of questions

Accepted Answer

survey

Question 21

What are ethics?

Accepted Answer

The methods of conduct for proper and responsible behavior.

Questions 21