In a Small Study, a Group of Students in an Experimental

question 156

Multiple Choice

In a small study, a group of students in an Experimental Psychology course collected scores on two variables - Variables A and B - from five participants as follows: Participant 1: A = 3, B = 10; Participant 2: A = 3, B = 9; Participant 3: A = 8, B = 4; Participant 4: A = 6, B = 6; Participant 2: A = 10, B = 1. "The mean score on Variable A is 6, and the variables are not correlated, "Ivy notes. "The mean Variable B score is 5, and the variables are negatively correlated," John states. "No, the mean score on B is 6; but, yes, A and B are negatively correlated," Kenya remarks. "Wait. The mean score on A is 5," Lara adds. Which of these students is correct?

• A) Only John is correct.
• B) Kenya and Lara are correct.
• C) John and Lara are correct.
• D) Only Kenya is correct.

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Definitions:

Proportional Representation

An electoral system in which parties gain seats in proportion to the number of votes cast for them, as opposed to winning only by the majority in a district.

Simple Plurality

A voting system where the candidate with the most votes wins, regardless of whether they have a majority.

Straight-Ticket Voting

Straight-ticket voting is the practice of voting for all the candidates of the same political party on a ballot.

Independents

Voters or political candidates who do not affiliate with any established political party.