While participating in a timed experiment, the participants in the experimental group had to leave the room because of a fire drill. Which potential threat to internal validity would this example illustrate according to Campbell and his colleagues?

a. maturation
b. selection
c. instrumentation
d. history


d

Psychology

You might also like to view...

Your friend has just finished her freshmen year in college, and she has gained 15 pounds. Explain to your friend why her weight gain during her freshmen year is quite common, and describe how behavioral dieting will help her lose and then maintain a healthy weight

What will be an ideal response?

Psychology

According to Erikson, what does stagnation affect?

a. identity c. integrity b. socioeconomic status d. self-esteem

Psychology

__________ is the most common excitatory neurotransmitter in the brain

Fill in the blanks with correct word

Psychology

Describe the resources that foster resilience, or the capacity to overcome challenges and adversity, in emerging adulthood

What will be an ideal response?

Psychology