Unit 0 Flashcards

Front

Statistical method to determine how much students’ SAT scores vary from the school’s average SAT score.

Back

Standard deviation

Front

Which method should a psychology researcher use if she is interested in testing whether a specific reward in a classroom situation causes students to behave better?

Back

Experiment

Front

In a perfectly normal distribution of scores, which of the following statements is true?

Back

The mean, median, and mode are all the same number.

Front

Which of the following describes the placebo effect?

Back

Participants in a drug study are given an inert pill instead of the drug and behave as though they were given the drug.

Front

Which of the following represents naturalistic observation?

Back

Researchers observe students' seating patterns in the cafeteria

Front

“Monday morning quarterbacks” rarely act surprised about the outcome of weekend football games. This tendency to believe they knew how the game would turn out is best explained by which psychological principle?

Back

Hindsight bias

Front

Which of the following statements best describes the graph below?

Back

This is a scatterplot of a perfect positive correlation.

Front

What is the best example of a random sample for a journalism student's article about her school's new cell-phone policy?

Back

The writer pulls the names of five students from a hat that contains all students’ names. She interviews the five selected students.

Front

Which of the following is a positive correlation? Options: As study time increases, students achieve lower grades., As levels of self-esteem decline, levels of depression increase., The more people exercise, the better they sleep., Gas mileage decreases as vehicle weight increases.

Back

The more people exercise, the better they sleep.

Front

Why is random assignment of participants to groups an important aspect of a properly designed experiment?

Back

If the participants are randomly assigned, the researcher can assume that each group is similar to each other at the beginning of the study.