Psychology Chapter 2 Review

What do scientists need in order to support a theory?

• behavior

• evidence

• claim

• opinion

A large random sample is likely to be accurately stratified

• True

• False

People who volunteer to participate in a survey may skew the results of a study because of....

• volunteer bias

• volunteer struggles

• volunteer confirmation

• volunteer lies

The term for a predisposition to a certain point of view, despite what facts suggest

• target population

• statified sample

• survey

• bias

Observing the way people eat ina restaurants is an example of

• the longitudinal method

• naturalistic observation

• laboratory observation

• a survey

A method researchers use to gather information from many people about a given topic

• replication

• correlation

• survey

• case study

The variable that researchers maniputlate so that they can determine its effect

• independent variable

• dependent variable

• variable variable

• beyonce variable

The type of sample where subgroups in the target population are represented proportionally

• random sample

• stratified sample

• survey sample

• target sample

What is the first step of the scientific research process?

• form a hypothesis

• develop a research question

• draw conclusions

• analyze results

Which score is most often used as the central tendency?

• mode

• median

• total

• mean