Ralph, a researcher, employs a confederate to push into a queue at a grocery store checkout counter in front of a person who is second and then another person who is ninth in line. He then records the number of verbal responses toward the confederate at each instance, as a measure of aggression. The manipulation employed in this scenario is an example of a________ manipulation.

Psychology researchers are often not worried about obtaining random samples from the “general population” for their research because

Which of the following is a disadvantage of using the strongest manipulation possible in research?

To study the effect of different types of stimuli on memory recall, Zhong subjects participants divided into two equivalent groups to either an auditory or a visual presentation of a poem. After the presentation, the participants are asked to answer several questions about the poem. Which type of experimental design has Zhong employed?

Veronica, a campaign worker, assesses voters’ attitudes toward their likelihood of voting in the city elections. She asks them to mark their preferences on a 100-millimeter line that is anchored with “very unlikely” at one end and “very likely” at the other end. This is an example of a________ rating scale.

Svetlana wants to know if a new sports drink improves physical performance. The number of push-ups each participant can complete in 1 minute is recorded first. The participants are then given 8 ounces of the sports drink, and the number of push-ups completed in 1 minute is recorded again. Svetlana finds that the number of push-ups completed is less after consuming the new sports drink. This finding is likely the result of a________ effect.

In a survey, participants were asked if they agree with the statement “I like spending my free time with other people.” They were also asked if they agree with the statement “I enjoy being alone during my free time.” This type of questioning helps in identifying

A study participant has a difficult time answering the question “Should parents increase the likelihood of desirable behaviors in their children by using reinforcement and punishment?” because it is a(n)________ question.

What is the solution to the following system of equations? 4x – 2y + 2z = 8 -x + 3y – z = 5 2x – y + z = 4 Write your answer in the format (#, #, #) if there is a solution and `no solution` if it cannot be solved. (space between `,` and `#`)

Using a 3×3 system, determine three numbers that satisfy the following conditions:• the sum of the three numbers is 2.• the sum of the first number, 5 times the second number, and 5 times the third number is -10.• the sum of the first number, double the second number, and triple the third number is -3.   Sort the answer and give the answer in the format (x, y, z) where x