Psychological Research Crash Course Psychology #2

The "I knew it all along phenomenon" says humans better are able to describe what JUST happened; this is know as __________  ___

• illusory bias

• hindsight bias

• overconfidence bias

The key to valid scientific studies is that they are

• are replicable

• occurring in a singular event

• are hypothetical

Case studies cannot

• show us an in-depth look at one person

• be generalized out to an entire population.

• reveal causation.

Watching people in the cafeteria and writing down descriptions of the behaviors you are seeing is a type of

• naturalistic observation

• case study

• experiment

To assure a survey sample is truly random,

• everyone within the population must have an equal chance of being chosen to participate

• pick the first ten people who sign up to take the survey.

• choose one person for every ethnic subgroup to take the survey.

Correlations predict the possibility of cause-and-effect relationships but they can't ____ them

• disprove

• prove

• deny

A double-blind procedure is one in which neither the experimenters nor the subjects know which group received the

• the post-experiment debrief.

• hindsight variable.

• independent variable.

The IV or independent variable in an experiment is the

• thing you cannot change.

• thing that you give to the experimental group that you do not give to the control group.

• thing you give to the control group that you do not give to the experimental group.

In this study, what is the placebo?

• five cups of regular coffee.

• a cup of regular coffee.

• decaffeinated coffee.

The American Psychological Association requires ______________ for human subjects to participate in research.

• informed consent.

• strong intellects

• mental acuity