Scenario: Researchers were interested in how social situations can influence stress-induced eating. They grouped participants according to self-reported stress-induced eating habits: consistently eating more (hyperphagics) or eating less (hypophagics) when stressed. Each participant was then exposed to one of three social situations: (1) a social inclusion condition, where subjects were told that a confederate partner had approved of a video they had made answering some questions and was looking forward to meeting them, (2) a neutral condition, where they were told their partners could not meet them because their partners had to cancel their participation, or (3) a social exclusion condition, where they were told that their partner had decided not to meet them after viewing their video. Subjects were then given an ice cream taste test and the amount of ice cream consumed was measured. Question: If p = .035 for the main effect of eating habits, what should the researcher conclude? The main effect of eating habits is not significant; no additional analyses are needed to interpret it. The main effect of eating habits is significant; no additional analyses are needed to interpret it. The main effect of eating habits is not significant; LSD pairwise comparisons are needed to fully interpret it. The main effect of eating habits is significant; LSD pairwise comparisons are needed to fully interpret it. The main effect of eating habits is not significant; Tukey HSD post hoc analysis is needed to fully interpret it. The main effect of eating habits is significant; Tukey HSD post hoc analysis is needed to fully interpret it.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Scenario: Researchers were interested in how social situations can influence stress-induced eating. They grouped participants according to self-reported stress-induced eating habits: consistently eating more (hyperphagics) or eating less (hypophagics) when stressed. Each participant was then exposed to one of three social situations: (1) a social inclusion condition, where subjects were told that a confederate partner had approved of a video they had made answering some questions and was looking forward to meeting them, (2) a neutral condition, where they were told their partners could not meet them because their partners had to cancel their participation, or (3) a social exclusion condition, where they were told that their partner had decided not to meet them after viewing their video. Subjects were then given an ice cream taste test and the amount of ice cream consumed was measured. Question: If p = .035 for the main effect of eating habits, what should the researcher conclude?

The main effect of eating habits is not significant; no additional analyses are needed to interpret it.

The main effect of eating habits is significant; no additional analyses are needed to interpret it.

The main effect of eating habits is not significant; LSD pairwise comparisons are needed to fully interpret it.

The main effect of eating habits is significant; LSD pairwise comparisons are needed to fully interpret it.

The main effect of eating habits is not significant; Tukey HSD post hoc analysis is needed to fully interpret it.

The main effect of eating habits is significant; Tukey HSD post hoc analysis is needed to fully interpret it.

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A therapist wanted to examine marital happiness in couples participating in therapy at her clinic. Couples were randomly assigned to participate in individual, couples, or group therapy. She measured marital happiness using a standardized scale ranging from 0 — 100, with higher numbers indicating greater marital bliss. She measured marital happiness at three time points from the start of therapy sessions (1, 6, and 12 weeks) and compared those across the three types of therapies offered. Question: If p = .071 for the main effect of time, what should the researcher conclude

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