Chapter 1 Test Flashcards
What refers to our tenancy to perceive events as obvious or inevitable after the fact?
Hindsight bias
As scientists, psychologists…?
are willing to ask questions and to reject claims that cannot be verified by research
theory based predictions are called….?
Hypotheses
Is correlation research a descriptive method used to describe behavior?
no
For your survey, you need to establish a group of people who represent the country’s entire population. To do this, you will need to question a…? sample of the population.
representative
what provides a visual representation of the direction and strength of a relationship between two variables?
scatterplot
knowing that two events are correlated provides..?
a basis for prediction
to explain behaviors and clarify cause and effect, psychologists use…?
experiments
to test the effect of a new drug on depression, we randomly assign people to a control and experimental groups. those in the control group take a pill that contains no medications. this pill is a …?
placebo
in a double blind procedure
neither the participants nor the researchers know who is in the experimental or control group.
A researcher wants to determine whether noise level affects workers’ blood pressure. in one group, she varies the level of noise in the environment and records participants’ blood pressure. In this experiment, the level of noise is…?
Independent variable
The laboratory environment is designed to…?
recreate psychological forces under controlled conditions.