MCAT mistakes

A rat receives food for pressing a lever on a variable ratio schedule. Which pattern of responding is most likely to be observed

a variable ratio schedule leads to high response rates with no predictable pauses

studies of bystander intervention, which variable is typically found to be positively correlated with the time it takes for an individual to offer help in case of emergency?

ore bystanders there are, the longer it takes for an individual bystander to offer help

A researcher interested in actor-observer bias asks a group of viewer participants to watch a target participant work on a series of puzzles. Which two variables is the researcher most likely to compare in this study

• actor-observer bias refers to the actor’s tendency to explain his/her own behavior by situational factors whereas the observer tends to explain the actor’s behavior by internal stable traits

• assess whether the actor and the observer attribute the actor’s behavior to a relatively stable trait such as intellect

dependent variable in a study of polarization is most likely to be each participant’s:

group polarization is a process that affects attitude toward a topic. When people who agree upon a topic are allowed to discuss their attitudes, they tend to become more polarized.

NREM3

Regular breathing and regular, slow brain waves