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Journal Articles
The American Biology Teacher. 2018; 805379–384 doi: https://doi.org/10.1525/abt.2018.80.5.379
Published: 01 May 2018
... addition of perchloric acid. Clear zones indicate RNase activity. The instructional approach employed is guided inquiry ( Buck et al., 2008 ), where the question is provided and the experimental design is partly done by students under teacher guidance. The experiment assumes students have a basic...
Includes: Supplementary data
Journal Articles
The American Biology Teacher. 2016; 788679–682 doi: https://doi.org/10.1525/abt.2016.78.8.679
Published: 01 October 2016
... offered as food two or three times weekly. Toads should be fasted for one to two days before use. Just prior to experimentation, toads are hydrated by soaking them in distilled water (2 cm depth) for two hours. This ensures that all toads are properly hydrated before initiating the experiment (so that...
Images
Preparing the <b>experiment</b>.   Figure 1. Preparing the <b>experiment</b>.
Published: 01 September 2017
Figure 1. Preparing the experiment. Figure 1. Preparing the experiment. Figure 1. Preparing the experiment. Figure 1. Preparing the experiment. More
Journal Articles
The American Biology Teacher. 2015; 77141–47 doi: https://doi.org/10.1525/abt.2015.77.1.6
Published: 01 January 2015
... nature of the experimental series. The greatest advantage of the 4-week program is that the students learn all the same concepts and skills, but they have more time for other projects and experiments. Additionally, if you look at the multiple-choice responses, the percentage of students who gave the...
Images
Possible outcomes of the “lady tasting tea” <b>experiment</b>.   Figure 2. Possibl...
Published: 01 October 2019
Figure 2. Possible outcomes of the “lady tasting tea” experiment. Figure 2. Possible outcomes of the “lady tasting tea” experiment. Figure 2. Possible outcomes of the “lady tasting tea” experiment. Figure 2. Possible outcomes of the “lady tasting tea” experiment. More
Images
<b>Experiment</b> at station 2: the lever system of the ossicles.   Figure 2. Expe...
Published: 01 September 2019
Figure 2. Experiment at station 2: the lever system of the ossicles. Figure 2. Experiment at station 2: the lever system of the ossicles. Figure 2. Experiment at station 2: the lever system of the ossicles. Figure 2. Experiment at station 2: the lever system of the ossicles. More
Images
Testing protocol for learning and memory <b>experiment</b> involving acclimation t...
Published: 01 May 2019
Figure 2. Testing protocol for learning and memory experiment involving acclimation to environment, training with positive reinforcement and punishment, and memory. Figure 2. Testing protocol for learning and memory experiment involving acclimation to environment, training with positive Figure 2. Testing protocol for learning and memory experiment involving acclimation to environment, training with positive reinforcement and punishment, and memory. Figure 2. Testing protocol for learning and memory experiment involving acclimation to environment, training with positive More
Images
Results (means ± SE) from the class <b>experiment</b>, showing plant responses to ...
Published: 01 April 2019
Figure 3. Results (means ± SE) from the class experiment, showing plant responses to soil treatment (autoclaved = sterile soil, natural = nonsterile soil): (A) chlorophyll index, (B) plant height, and (C) number of nodules. Figure 3. Results (means ± SE) from the class experiment, showing Figure 3. Results (means ± SE) from the class experiment, showing plant responses to soil treatment (autoclaved = sterile soil, natural = nonsterile soil): (A) chlorophyll index, (B) plant height, and (C) number of nodules. Figure 3. Results (means ± SE) from the class experiment, showing More
Images
Plant height data collected by students during plant growth <b>experiment</b>. Poi...
Published: 01 April 2019
Figure 5. Plant height data collected by students during plant growth experiment. Points represent means. Error bars represent one standard deviation from the mean. Numbers in legend are number of replicates within each treatment. Figure 5. Plant height data collected by students during plant Figure 5. Plant height data collected by students during plant growth experiment. Points represent means. Error bars represent one standard deviation from the mean. Numbers in legend are number of replicates within each treatment. Figure 5. Plant height data collected by students during plant More
Images
Soil pH data collected by students during classroom plant growth <b>experiment</b>...
Published: 01 April 2019
Figure A1. Soil pH data collected by students during classroom plant growth experiments. Points represent means. Error bars represent one standard deviation from the mean. Numbers above the points indicate sample size. Here, biochar only meaningfully decreases soil pH in the sand. Figure A1 Figure A1. Soil pH data collected by students during classroom plant growth experiments. Points represent means. Error bars represent one standard deviation from the mean. Numbers above the points indicate sample size. Here, biochar only meaningfully decreases soil pH in the sand. Figure A1 More
Journal Articles
The American Biology Teacher. 2020; 822128 doi: https://doi.org/10.1525/abt.2020.82.2.128
Published: 01 February 2020
... questions, and graphing. I was particularly impressed with their recommendations for transforming a well-tested procedural exercise into one where students build controlled experiments; this technique, which I first learned from the AP Biology teaching community, is beautifully explained here. There is...
Journal Articles
The American Biology Teacher. 2012; 744244–249 doi: https://doi.org/10.1525/abt.2012.74.4.7
Published: 01 April 2012
.... Seeing the final product of weeks’ worth of labor made me feel like I had actually done real science. Putting together a phylogenetic tree using the sequencing definitely gave me a better understanding of how they work. [T]o see the tree fit together as a result of hands-on experience just kind of...
Images
Different formed objects for the streamline <b>experiment</b>.   Figure 3. Differe...
Published: 01 August 2018
Figure 3. Different formed objects for the streamline experiment. Figure 3. Different formed objects for the streamline experiment. Figure 3. Different formed objects for the streamline experiment. Figure 3. Different formed objects for the streamline experiment. More
Journal Articles
The American Biology Teacher. 2011; 736331–335 doi: https://doi.org/10.1525/abt.2011.73.6.5
Published: 01 August 2011
... with extraction of the mold DNA. That scenario could very realistically have affected the group's experimental outcome. After teaching microbiology labs at numerous U.S. institutions, we noticed that the vast majority of clinical laboratory experiments were largely outdated. We thought to...
Journal Articles
The American Biology Teacher. 2010; 727432–436 doi: https://doi.org/10.1525/abt.2010.72.7.8
Published: 01 September 2010
...Wade B. Worthen Several common dragonfly species perch at different heights. Using dowels as perches and simple chi-square tests, this pattern of resource partitioning can be described quickly and easily. Additional experiments can examine the effect of interspecific competition on perch selection...
Journal Articles
The American Biology Teacher. 2019; 81271–76 doi: https://doi.org/10.1525/abt.2019.81.2.71
Published: 01 February 2019
... in teacher persona during the teaching of evolution that suggest that discomfort and misunderstanding transcended years of teaching experience and background, which suggests that traditional indicators are not necessarily applicable when it comes to controversial topics ( Sinatra et al., 2003 ). In...
Journal Articles
The American Biology Teacher. 2010; 72116–19 doi: https://doi.org/10.1525/abt.2010.72.1.5
Published: 01 January 2010
... contemporary norms. But once students understand how to identify and analyze the reasoning that underlies an experiment, the process is readily transferable to current literature. This is also true of experimental design: many of the earliest historical examples come nowhere close to the stringency of modern...
Journal Articles
The American Biology Teacher. 2018; 803168–174 doi: https://doi.org/10.1525/abt.2018.80.3.168
Published: 01 March 2018
... chemically to affect gene expression or suppression and how it can be passed down through the generations, and the variety of biomedical careers students could pursue. The labs are designed to be open-ended and inquiry-based, and extensions to the experiments are provided so that students can explore...
Journal Articles
The American Biology Teacher. 2010; 72131–36 doi: https://doi.org/10.1525/abt.2010.72.1.8
Published: 01 January 2010
...Valerie S. Banschbach; Robert Letovsky This article provides both an experiment and a framework for discussion that students can use to compare the efficiency of producing ethanol by using corn versus sugarcane as a raw material. Table 1. Student worksheet for summary of the economic and...
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Results of the binding equilibrium <b>experiment</b> for a recent semester. The  x...
Published: 01 November 2017
Figure 2. Results of the binding equilibrium experiment for a recent semester. The x axis plots the total input concentration of HABA molecules, regardless of whether or not they are bound to an avidin partner. Filled triangles and open circles represent the duplicate absorbance measurements Figure 2. Results of the binding equilibrium experiment for a recent semester. The x axis plots the total input concentration of HABA molecules, regardless of whether or not they are bound to an avidin partner. Filled triangles and open circles represent the duplicate absorbance measurements More