Psychology Crash Course #2

In research, what is a testable prediction?

• A theory
• A hypothesis
• hindsight bias
• operationalizing

___ take in in-depth look at one individual and cannot be replicated.

• Observations
• Experiments
• Case studies
• Correlations

__ determine how one trait or behavior is related to another.

• Experiments
• Surveys
• Observations
• Correlations

In a ___ all members of the target group have an equal chance of being chosen to participate in a study.

• random sample
• stratified sample
• systematic sample
• convenience sample

Correlations predict the __ of cause & effect relationships, but the cannot ___ them.

• possibility, prove
• existence, change
• likelihood, eliminate
• existence, prove

__ allow researchers to isolate different effects by manipulating one variable while keeping other variables constant.

• Correlations
• Experiments
• Observations
• Surveys

In an experiment the ___ gets "messed with" while the ___ doesn't get "messed with".

• independent variable, dependent variable
• dependent variable, independent variable
• control group, experimental group
• experimental group, control group

A (n)____ is an inert substance and has no effect on research participants.

• placebo
• dependent variable
• independent variable
• confounding variable

What was the independent variable in Tom's study?

• caffeine
• intelligence 
• decaf coffee
• speed through the maze

What was the dependent variable in Tom's study?

• 500mg of caffeine
• speed through the maze
• the placebo
• 100mg of caffiene