conclusions based on experience and sensible logic

a. knowledge

b. common sense

c. hypothesis 

simplest technique; gather information by watching others

a. confirmation bias

b. observation

c. naturalistic observation

tendency to search for information that confirms our preconception

a. confirmation bias

b. participant bias

c. naturalistic observation

tendency for research subjects to behave a certain way because they know what researcher wants

a. confirmation bias

b. participant bias

c. correlation study 

observing and recording behavior in naturally occurring situations 

a. observation

b. naturalistic observation

c. scientific method

one person studied in depth to gain universal principles

a. positive correlation

b. correlational study

c. case study 

research that investigates the degree to which two variables are related to one another

a. correlational study

b. experiment

c. case study 

as value of one variable rises or falls (increases or decreases), so does the other variable

a. negative correlation

b. opposite correlation

c. positive correlation

as the value of one variable increases, the value of the other decreases (opposite)

a. negative correlation

b. positive correlation

c. scientific method

research method that questions sample of people to collect information

a. correlational study

b. relationship study

c. survey 

a sample that fairly represents a population--each has an equal chance of being included

a. sample list

b. random sample

c. random list

research technique follows same group of people over period of time to study

a. cross sectional 

b. case study

c. longitudinal study

research technique that compares individuals from different age groups at one time

a. cross sectional study

b. case study

c. longitudinal study 

testable prediction of the outcome of the experiment

a. guess

b. hypothesis

c. longitudinal study 

explanation of the exact procedures used to carry out experiment 

a. hypothesis

b. scientific method

c. operational definition

variable that is manipulated in an experiment and will cause change in dependent variable

a. positive correlation

b. independent variable

c. dependent variable

the variable that will show the effect of the independent variable 

a. independent variable

b. dependent variable

c. hypothesis 

the participants in the experiment that will be exposed to the independent variable

a. control group

b. random group

c. experimental group

the participants that will not be exposed to the independent variable

a. experimental group

b. control group

c. correlation group 

variables, other than independent variable, that  can unintentionally influence the outcome of experiment

a. scientific methods

b. confounding variables

c. random sample

experimental procedure where research participants are ignorant to expected outcomes of experiment

a. double blind

b. blind

c. dependent group

both data collector and research participants do not know the outcome of the experiment

a. double blind

b. blind

c. control group

non-active substance or inactive pill with no known effect

a. placebo

b. dependent variable

c. phobia