1-20 of 6179 Search Results for

indicator

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
The American Biology Teacher. 2016; 784293–299 doi: https://doi.org/10.1525/abt.2016.78.4.293
Published: 01 April 2016
...Joel I. Cohen The importance of extant biodiversity, concerns regarding the rising Anthropocene extinction rates, and commitments made by signatories to biodiversity conventions each increase demands for timely data. However, as species and conservation indicators become more complex, the less...
Images
Modeling an epidemic using the pH <b>indicator</b> stick test.   Figure 2. Modelin...
Published: 01 March 2016
Figure 2. Modeling an epidemic using the pH indicator stick test. Figure 2. Modeling an epidemic using the pH indicator stick test. Figure 2. Modeling an epidemic using the pH indicator stick test. Figure 2. Modeling an epidemic using the pH indicator stick test. More
Journal Articles
The American Biology Teacher. 1966; 284256–257 doi: https://doi.org/10.2307/4441315
Published: 01 April 1966
...Gary Jay Farabee Copyright 1966 National Association of Biology Teachers References 1 Bell, W. N. and E. Jumper. 1958. Evaluation of Tes-Tape as a quantitative indicator. The Jour. of the American Medical Assoc.166 Bell 166 The Jour. of the American Medical Assoc. 1958 2...
Journal Articles
The American Biology Teacher. 1957; 19246–50 doi: https://doi.org/10.2307/4438867
Published: 01 February 1957
... education. It enables the students to make a valuable contribution to the growing tech- nique of a visual science-using the student participation method. This is not intended to replace or substitute for living materials, which are used at,every possible opportunity. Foliage As an Indicator of Soil...
Images
Byproduct demonstration setup. The purple-colored red cabbage pH <b>indicator</b> ...
Published: 01 May 2015
Figure 2. Byproduct demonstration setup. The purple-colored red cabbage pH indicator dye is added to the funnel. Traveling down the tubing, it interacts with a cotton ball soaked in NaOH, turns green, and drips into a catch container. Figure 2. Byproduct demonstration setup. The purple-colored Figure 2. Byproduct demonstration setup. The purple-colored red cabbage pH indicator dye is added to the funnel. Traveling down the tubing, it interacts with a cotton ball soaked in NaOH, turns green, and drips into a catch container. Figure 2. Byproduct demonstration setup. The purple-colored More
Journal Articles
The American Biology Teacher. 2019; 814234–241 doi: https://doi.org/10.1525/abt.2019.81.4.234
Published: 01 April 2019
... use to quantify species diversity: Simpson's and Shannon's diversity indices. With hypothetical data, we show how students can learn about and practice the calculations. We then describe an activity where students collect authentic ecological data with pitfall traps while learning some arthropod...
Includes: Supplementary data
Images
The three questions that showed the greatest <b>indication</b> of the inquiry-base...
Published: 01 September 2019
Figure 1. The three questions that showed the greatest indication of the inquiry-based course outcompeting the traditional-style course. Bars show how much more positive change occurred during the inquiry-based course compared to the traditional course. Figure 1. The three questions that showed Figure 1. The three questions that showed the greatest indication of the inquiry-based course outcompeting the traditional-style course. Bars show how much more positive change occurred during the inquiry-based course compared to the traditional course. Figure 1. The three questions that showed More
Images
Results of multiplex PCRs <b>indicating</b> the presence of fungi in many soil sam...
Published: 01 September 2019
Figure 6. Results of multiplex PCRs indicating the presence of fungi in many soil samples (~600 bp). The pathogen was detected in some (~220 bp). ( A ) Coccidioides immitis was detected in sample JCo. ( B ) The pathogen was detected in samples JC, PS, EJ, Nora, and KD (PC = positive control Figure 6. Results of multiplex PCRs indicating the presence of fungi in many soil samples (~600 bp). The pathogen was detected in some (~220 bp). ( A ) Coccidioides immitis was detected in sample JCo. ( B ) The pathogen was detected in samples JC, PS, EJ, Nora, and KD (PC = positive control More
Journal Articles
The American Biology Teacher. 2020; 82286–92 doi: https://doi.org/10.1525/abt.2020.82.2.86
Published: 01 February 2020
.... Findings include a detailed portrait of teachers' understanding of evolution-related laws and the time they devote to teaching evolution. Our results indicate that the majority of surveyed teachers devote >13 hours of instruction per class semester to evolution and teach evolution either as a unifying...
Journal Articles
The American Biology Teacher. 2009; 717406–410 doi: https://doi.org/10.2307/20565343
Published: 01 September 2009
.... Northwestern University, Evanston, IL. INQUIRY & LearningTo Measure Biodiversity: -_ INVESTIGATION Two Agent-Based Models That _ Simulate Sampling Methods .-4 & Provide Data for Calculating ' Diversity Indices I w THOMAS JONES, THOMAS LAUGHLIN 1: Nv There is certainly no substitute for experiencing...
Journal Articles
The American Biology Teacher. 2020; 82293–101 doi: https://doi.org/10.1525/abt.2020.82.2.93
Published: 01 February 2020
...-surveys. We found a differential impact of the curriculum: 31% of the students who indicated that there was a conflict between their religious beliefs and evolution changed their conceptions to be more in line with scientific evidence, but the remaining 69% did not. We describe reasons why, including...
Journal Articles
The American Biology Teacher. 2018; 808584–591 doi: https://doi.org/10.1525/abt.2018.80.8.584
Published: 01 October 2018
.... Responses to a Likert-scale survey indicated that students had positive attitudes toward active learning, and an analysis of variance indicated that there were no significant differences between the attitudes of students who had previously taken a lecture-based biology course at the same institution...
Images
The percentages of college students <b>indicating</b> how often they purchase requ...
Published: 01 August 2018
Figure 2. The percentages of college students indicating how often they purchase required textbooks for their classes ( N = 18). Figure 2. The percentages of college students indicating how often they purchase required textbooks for their classes (N = 18). Figure 2. The percentages of college students indicating how often they purchase required textbooks for their classes ( N = 18). Figure 2. The percentages of college students indicating how often they purchase required textbooks for their classes (N = 18). More
Images
College students were asked to <b>indicate</b> the various ways of acquiring textb...
Published: 01 August 2018
Figure 1. College students were asked to indicate the various ways of acquiring textbooks in previous courses. Shown here are the percentages of students who chose each option at least once ( N = 18). Figure 1. College students were asked to indicate the various ways of acquiring textbooks in Figure 1. College students were asked to indicate the various ways of acquiring textbooks in previous courses. Shown here are the percentages of students who chose each option at least once ( N = 18). Figure 1. College students were asked to indicate the various ways of acquiring textbooks in More
Journal Articles
The American Biology Teacher. 2020; 824210–215 doi: https://doi.org/10.1525/abt.2020.82.4.210
Published: 01 April 2020
... content, the rules manual, game-play design, and game use (the functional perspective). Likewise, the students also considered the game a fun activity, fast and competitive, and even challenging (the personal perspective). Some difficulties were indicated, such as the amount of initial information...
Journal Articles
The American Biology Teacher. 2020; 824218–226 doi: https://doi.org/10.1525/abt.2020.82.4.218
Published: 01 April 2020
...) participated in the study. Data were gathered by using the Plant Attitude Questionnaire. This instrument consisted of 28 items using a five-point Likert scale and included four dimensions of attitudes toward plants: importance, urban trees, interest, and utilization. Our results indicate that instruction via...
Journal Articles
The American Biology Teacher. 2019; 819644–648 doi: https://doi.org/10.1525/abt.2019.81.9.644
Published: 01 December 2019
... indicator, immediately stained the granules black. Second, amylase digested the small starch granules within 30–60 minutes. Third, glucose test strips demonstrated the presence of glucose that resulted from the enzymatic breakdown of starch granules by amylase. Fourth, we also confirmed that the starch...
Journal Articles
The American Biology Teacher. 2019; 819680–685 doi: https://doi.org/10.1525/abt.2019.81.9.680
Published: 01 December 2019
... then one of the key codes shown at the right. For example, the entry (1.12-F) is issue #1 (January), page 21, and is a Feature Article. Page numbers indicate the first page of the article or department in which the entries appear. Entries are in three categories: Subject, Title, and Author. © 2019...
Journal Articles
The American Biology Teacher. 2019; 819618–624 doi: https://doi.org/10.1525/abt.2019.81.9.618
Published: 01 December 2019
... quality research in high school AP classes. Evaluations of the case study indicate this framework, and the engagement with science professionals alters students' perceptions of science and scientists while giving them the skills, knowledge, and confidence to pursue scientific endeavors. © 2019 National...
Journal Articles
The American Biology Teacher. 2019; 818554–560 doi: https://doi.org/10.1525/abt.2019.81.8.554
Published: 01 October 2019
... attitudes with a pre-course survey. While affective differences between the populations are evident, we did not detect meaningful differences in science competency. These findings indicate that nonmajors and majors are skilled in the process of science and have the ability to engage in meaningful scientific...