Publications by authors named "Susanne Frick"

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Bayesian Thurstonian IRT Modeling: Logical Dependencies as an Accurate Reflection of Thurstone's Law of Comparative Judgment.
Hannah Heister, Philipp Doebler, Susanne Frick

Educ Psychol Meas· May 2025

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Detecting Careless Responding in Multidimensional Forced-Choice Questionnaires.
Rebekka Kupffer, Susanne Frick, Eunike Wetzel

Educ Psychol Meas· October 2024

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Beta-binomial meta-analysis of individual differences based on sample means and standard deviations: Studying reliability of sum scores of binary items.
Philipp Doebler, Susanne Frick, Anna Doebler

Psychol Methods· March 2024

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Estimating and Using Block Information in the Thurstonian IRT Model.
Susanne Frick

Psychometrika· December 2023

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Investigating the Normativity of Trait Estimates from Multidimensional Forced-Choice Data.
Susanne Frick, Anna Brown, Eunike Wetzel

Multivariate Behav Res· May 2023

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Modeling Faking in the Multidimensional Forced-Choice Format: The Faking Mixture Model.
Susanne Frick

Psychometrika· June 2022

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Does multidimensional forced-choice prevent faking? Comparing the susceptibility of the multidimensional forced-choice format and the rating scale format to faking.
Eunike Wetzel, Susanne Frick, Anna Brown

Psychol Assess· February 2021

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Taking the Test Taker's Perspective: Response Process and Test Motivation in Multidimensional Forced-Choice Versus Rating Scale Instruments.
Rachelle Sass, Susanne Frick, Ulf-Dietrich Reips, Eunike Wetzel

Assessment· April 2020

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Comparing the validity of trait estimates from the multidimensional forced-choice format and the rating scale format.
Eunike Wetzel, Susanne Frick

Psychol Assess· March 2020

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RNAi suppression of the morphine biosynthetic gene salAT and evidence of association of pathway enzymes.
Katja Kempe, Yasuhiro Higashi, Susanne Frick, Khaled Sabarna, Toni M Kutchan

Phytochemistry· March 2009

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Metabolic engineering with a morphine biosynthetic P450 in opium poppy surpasses breeding.
Susanne Frick, Robert Kramell, Toni M Kutchan

Metab Eng· March 2007

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Increasing morphinan alkaloid production by over-expressing codeinone reductase in transgenic Papaver somniferum.
Philip J Larkin, James A C Miller, Robert S Allen, Julie A Chitty, Wayne L Gerlach, Susanne Frick

Plant Biotechnol J· January 2007

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Comparative qualitative and quantitative determination of alkaloids in narcotic and condiment Papaver somniferum cultivars.
Susanne Frick, Robert Kramell, Jürgen Schmidt, Anthony J Fist, Toni M Kutchan

J Nat Prod· May 2005

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Transformation of opium poppy (Papaver somniferum L.) with antisense berberine bridge enzyme gene (anti-bbe) via somatic embryogenesis results in an altered ratio of alkaloids in latex but not in roots.
Susanne Frick, Julie A Chitty, Robert Kramell, Jürgen Schmidt, Robert S Allen

Transgenic Res· December 2004

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