-
1
-
-
80052178836
-
Drawing to learn in science
-
Ainsworth, S., Prain, V., &, Tytler, R., (2011). Drawing to learn in science. Science, 333 (6046), 1096-1097.
-
(2011)
Science
, vol.333
, Issue.6046
, pp. 1096-1097
-
-
Ainsworth, S.1
Prain, V.2
Tytler, R.3
-
2
-
-
84880535564
-
-
American Chemical Society. ACS examinations institute. Retrieved May 15, 2013 from
-
American Chemical Society. (2013). ACS examinations institute. Retrieved May 15, 2013 from http://chemexams.chem.iastate.edu/
-
(2013)
-
-
-
3
-
-
84892805381
-
-
Berlin: Springer.
-
Barke, H., Hazari, A., &, Yitbarek, S., (2009). Misconceptions in chemistry: Addressing perceptions in chemical education. Berlin: Springer.
-
(2009)
Misconceptions in Chemistry: Addressing Perceptions in Chemical Education
-
-
Barke, H.1
Hazari, A.2
Yitbarek, S.3
-
4
-
-
0009577984
-
I have found you an argument: The conceptual knowledge of beginning chemistry graduate students
-
Bodner, G., (1991). I have found you an argument: The conceptual knowledge of beginning chemistry graduate students. Journal of Chemical Education, 68 (5), 385.
-
(1991)
Journal of Chemical Education
, vol.68
, Issue.5
, pp. 385
-
-
Bodner, G.1
-
5
-
-
0012448066
-
Students' Understandings of Chemical Bonds and the Energetics of Chemical Reactions
-
Boo, H. K., (1998). Students' understandings of chemical bonds and the energetics of chemical reactions. Journal of Research in Science Teaching, 35 (5), 569-581. (Pubitemid 128460257)
-
(1998)
Journal of Research in Science Teaching
, vol.35
, Issue.5
, pp. 569-581
-
-
Boo, H.K.1
-
6
-
-
60649112124
-
Three types of conceptual change: Belief revision, mental model transformation, and categorical shift
-
In S. Vosniadou (Ed.),. Hillsdale, NJ: Erlbaum.
-
Chi, M. T. H., (2008). Three types of conceptual change: Belief revision, mental model transformation, and categorical shift. In, S. Vosniadou, (Ed.), Handbook of research on conceptual change (pp. 61-682). Hillsdale, NJ: Erlbaum.
-
(2008)
Handbook of Research on Conceptual Change
, pp. 61-682
-
-
Chi, M.T.H.1
-
7
-
-
77955872523
-
Lost in Lewis structures: An investigation of student difficulties in developing representational competence
-
Cooper, M. M., Grove, N., Underwood, S. M., &, Klymkowsky, M. W., (2010). Lost in Lewis structures: An investigation of student difficulties in developing representational competence. Journal of Chemical Education, 87 (8), 869-874.
-
(2010)
Journal of Chemical Education
, vol.87
, Issue.8
, pp. 869-874
-
-
Cooper, M.M.1
Grove, N.2
Underwood, S.M.3
Klymkowsky, M.W.4
-
8
-
-
84902093082
-
-
Retrieved June 29, 2012 from
-
Cooper, M. M., &, Klymkowsky, M. W., (2012). Chemistry, life, the universe and everything. Retrieved June 29, 2012 from http://besocratic. colorado.edu/CLUE-Chemistry/index.html
-
(2012)
Chemistry, Life, the Universe and Everything
-
-
Cooper, M.M.1
Klymkowsky, M.W.2
-
9
-
-
84878706253
-
The trouble with chemical energy: Why understanding bond energies requires an interdisciplinary systems approach
-
Cooper, M. M., &, Klymkowsky, M. W., (2013). The trouble with chemical energy: Why understanding bond energies requires an interdisciplinary systems approach. CBE Life Sciences Education, 12 (2), 306-312.
-
(2013)
CBE Life Sciences Education
, vol.12
, Issue.2
, pp. 306-312
-
-
Cooper, M.M.1
Klymkowsky, M.W.2
-
10
-
-
84867445129
-
Development and validation of the implicit information from Lewis structures instrument (IILSI): Do students connect structures with properties
-
Cooper, M. M., Underwood, S. M., &, Hilley, C. Z., (2012). Development and validation of the implicit information from Lewis structures instrument (IILSI): Do students connect structures with properties ? Chemical Education Research and Practice, 13 (3), 195-200.
-
(2012)
Chemical Education Research and Practice
, vol.13
, Issue.3
, pp. 195-200
-
-
Cooper, M.M.1
Underwood, S.M.2
Hilley, C.Z.3
-
11
-
-
84867440899
-
Development and assessment of a molecular structure and properties learning progression
-
Cooper, M. M., Underwood, S. M., Hilley, C. Z., &, Klymkowsky, M. W., (2012). Development and assessment of a molecular structure and properties learning progression. Journal of Chemical Education, 89 (11), 1351-1357.
-
(2012)
Journal of Chemical Education
, vol.89
, Issue.11
, pp. 1351-1357
-
-
Cooper, M.M.1
Underwood, S.M.2
Hilley, C.Z.3
Klymkowsky, M.W.4
-
12
-
-
34247732721
-
Grounded theory research: Procedures, canons, and evaluative criteria
-
Corbin, J., &, Strauss, A., (1990). Grounded theory research: Procedures, canons, and evaluative criteria. Qualitative Sociology, 13 (1), 3-21.
-
(1990)
Qualitative Sociology
, vol.13
, Issue.1
, pp. 3-21
-
-
Corbin, J.1
Strauss, A.2
-
13
-
-
77956051798
-
-
College-Columbia University: Consortium for Policy Research in Education
-
Corcoran, T., Mosher, F. A., &, Rogat, A., (2009). Learning progressions in science: An evidence based approach to reform. College-Columbia University: Consortium for Policy Research in Education.
-
(2009)
Learning Progressions in Science: An Evidence Based Approach to Reform
-
-
Corcoran, T.1
Mosher, F.A.2
Rogat, A.3
-
14
-
-
35448988598
-
-
Thousand Oaks, CA: Sage Publications, Inc.
-
Creswell, J. W., &, Plano Clark, V. L., (2007). Designing and conducting mixed methods research. Thousand Oaks, CA: Sage Publications, Inc.
-
(2007)
Designing and Conducting Mixed Methods Research
-
-
Creswell, J.W.1
Plano Clark, V.L.2
-
15
-
-
84455175167
-
Toward an epistemology of physics
-
diSessa, A. A., (1993). Toward an epistemology of physics. Cognition and Instruction, 10 (2 & 3), 105-225.
-
(1993)
Cognition and Instruction
, vol.10
, Issue.2-3
, pp. 105-225
-
-
Disessa, A.A.1
-
16
-
-
38049171927
-
A history of conceptual change research: Threads and fault lines
-
In R. K. Sawyer (Ed.),. New York, NY, USA: Cambridge University Press.
-
diSessa, A. A., (2006). A history of conceptual change research: Threads and fault lines. In, R. K. Sawyer, (Ed.), The Cambridge handbook of: The learning sciences (pp. 265). New York, NY, USA: Cambridge University Press.
-
(2006)
The Cambridge Handbook Of: The Learning Sciences
, pp. 265
-
-
Disessa, A.A.1
-
17
-
-
70349820667
-
A bird's-eye view of the "pieces" versus "coherence" controversy (from the "pieces" side of the fence)
-
In S. Vosniadou (Ed.),. New York: Routledge Taylor, & Francis Group.
-
diSessa, A. A., (2008). A bird's-eye view of the "pieces" versus "coherence" controversy (from the "pieces" side of the fence). In, S. Vosniadou, (Ed.), International handbook of research on conceptual change (pp. 35-60). New York: Routledge Taylor, & Francis Group.
-
(2008)
International Handbook of Research on Conceptual Change
, pp. 35-60
-
-
Disessa, A.A.1
-
18
-
-
10244244884
-
Coherence versus fragmentation in the development of the concept of force
-
DOI 10.1016/j.cogsci.2004.05.003, PII S0364021304000709
-
diSessa, A. A., Gillespie, N. M., &, Esterly, J. B., (2004). Coherence versus fragmentation in the development of the concept of force. Cognitive Science, 28 (6), 843-900. (Pubitemid 39620371)
-
(2004)
Cognitive Science
, vol.28
, Issue.6
, pp. 843-900
-
-
DiSessa, A.A.1
Gillespie, N.M.2
Esterly, J.B.3
-
19
-
-
79751495243
-
Organic chemistry educators' perspectives on fundamental concepts and misconceptions: An exploratory study
-
Duis, J. M., (2011). Organic chemistry educators' perspectives on fundamental concepts and misconceptions: An exploratory study. Journal of Chemical Education, 88 (3), 346-350.
-
(2011)
Journal of Chemical Education
, vol.88
, Issue.3
, pp. 346-350
-
-
Duis, J.M.1
-
20
-
-
0141867846
-
In two minds: Dual-process accounts of reasoning
-
Evans, J. S. B., (2003). In two minds: Dual-process accounts of reasoning. Trends in Cognitive Sciences, 7 (10), 454-459.
-
(2003)
Trends in Cognitive Sciences
, vol.7
, Issue.10
, pp. 454-459
-
-
Evans, J.S.B.1
-
21
-
-
0001245224
-
The mechanisms of analogical learning
-
In S. Vosniadou & A. Ortony (Eds.),. Cambridge: Cambridge University Press.
-
Genter, D., (1989). The mechanisms of analogical learning. In, S. Vosniadou, &, A. Ortony, (Eds.), Similarity and analogical reasoning (pp. 199-241). Cambridge: Cambridge University Press.
-
(1989)
Similarity and Analogical Reasoning
, pp. 199-241
-
-
Genter, D.1
-
22
-
-
33751040774
-
Working memory and reasoning
-
In J. Leighton & R. Sternberg (Eds.),. Cambridge UK: Cambridge University Press Cambridge, UK.
-
Gilhooly, K. J., (2004). Working memory and reasoning. In, J. Leighton, &, R. Sternberg, (Eds.), The nature of reasoning (pp. 49-77). Cambridge UK: Cambridge University Press Cambridge, UK.
-
(2004)
The Nature of Reasoning
, pp. 49-77
-
-
Gilhooly, K.J.1
-
23
-
-
0003718482
-
-
Cambridge UK: Cambridge University Press.
-
Gilovich, T., Griffin, D., &, Kahneman, D., (2002). Heuristics and biases: The psychology of intuitive judgment. Cambridge UK: Cambridge University Press.
-
(2002)
Heuristics and Biases: The Psychology of Intuitive Judgment
-
-
Gilovich, T.1
Griffin, D.2
Kahneman, D.3
-
25
-
-
36849063794
-
Using the science writing heuristic to improve students' understanding of general equilibrium
-
Greenbowe, T. J., Rudd, J. A., &, Hand, B. M., (2007). Using the science writing heuristic to improve students' understanding of general equilibrium. Journal of Chemical Education, 84 (12), 2007.
-
(2007)
Journal of Chemical Education
, vol.84
, Issue.12
, pp. 2007
-
-
Greenbowe, T.J.1
Rudd, J.A.2
Hand, B.M.3
-
26
-
-
0030545625
-
Misconceptions or P-Prims: How May Alternative Perspectives of Cognitive Structure Influence Instructional Perceptions and Intentions?
-
Hammer, D., (1996). Misconceptions or p-prims: How may alternative perspectives of cognitive structure influence instructional perceptions and intentions ? Journal of the Learning Sciences, 5 (2), 97-127. (Pubitemid 126416353)
-
(1996)
Journal of the Learning Sciences
, vol.5
, Issue.2
, pp. 97-127
-
-
Hammer, D.1
-
27
-
-
0034382548
-
Student resources for learning introductory physics
-
Hammer, D., (2000). Student resources for learning introductory physics. American Journal of Physics, (68), S52-S59.
-
(2000)
American Journal of Physics
, Issue.68
-
-
Hammer, D.1
-
28
-
-
0035420723
-
How do organic chemistry students understand and apply hydrogen bonding
-
Henderleiter, J., Smart, R., Anderson, J., &, Elian, O., (2001). How do organic chemistry students understand and apply hydrogen bonding ? Journal of Chemical Education, 78 (8), 1126-1130.
-
(2001)
Journal of Chemical Education
, vol.78
, Issue.8
, pp. 1126-1130
-
-
Henderleiter, J.1
Smart, R.2
Anderson, J.3
Elian, O.4
-
29
-
-
84866171746
-
Student alternative conceptions in chemistry
-
Horton, C., (2007). Student alternative conceptions in chemistry. California Journal of Science Education, 7 (2), 1-85.
-
(2007)
California Journal of Science Education
, vol.7
, Issue.2
, pp. 1-85
-
-
Horton, C.1
-
30
-
-
84867571041
-
A learning progression for energy in socio-ecological systems
-
Jin, H., &, Anderson, C. W., (2012). A learning progression for energy in socio-ecological systems. Journal of Research in Science Teaching, 49 (9), 1149-1180.
-
(2012)
Journal of Research in Science Teaching
, vol.49
, Issue.9
, pp. 1149-1180
-
-
Jin, H.1
Anderson, C.W.2
-
31
-
-
82555191093
-
The emergence of a learning progression in middle school chemistry
-
Johnson, P., &, Tymms, P., (2011). The emergence of a learning progression in middle school chemistry. Journal of Research in Science Teaching, 48 (8), 849-877.
-
(2011)
Journal of Research in Science Teaching
, vol.48
, Issue.8
, pp. 849-877
-
-
Johnson, P.1
Tymms, P.2
-
33
-
-
0346594319
-
Macro and microchemistry
-
Johnstone, A. H., (1982). Macro and microchemistry. School Science Review, 64 (227), 377-379.
-
(1982)
School Science Review
, vol.64
, Issue.227
, pp. 377-379
-
-
Johnstone, A.H.1
-
34
-
-
33750569950
-
A language problem revisited
-
Johnstone, A. H., &, Selepeng, D., (2001). A language problem revisited. Chemistry Education Research and Practice, 2 (1), 19-29.
-
(2001)
Chemistry Education Research and Practice
, vol.2
, Issue.1
, pp. 19-29
-
-
Johnstone, A.H.1
Selepeng, D.2
-
35
-
-
27844468684
-
Models and modelling in chemical education
-
In J. Gilbert, O. De Jong, R. Justi, D. F. Treagust, J. H. Van Driel (Eds.), Netherlands: Kluwer Academic Publisher.
-
Justi, R., &, Gilbert, J., (2003). Models and modelling in chemical education. In, J. Gilbert, O. De Jong, R. Justi, D. F. Treagust, J. H. Van Driel, (Eds.), Chemical Education: Towards Research-Based Practice, (pp. 47-68). Netherlands: Kluwer Academic Publisher.
-
(2003)
Chemical Education: Towards Research-Based Practice
, pp. 47-68
-
-
Justi, R.1
Gilbert, J.2
-
38
-
-
84873555628
-
A novel technology to investigate students' understandings of enzyme representations
-
Linenberger, K. J., &, Bretz, S. L., (2012). A novel technology to investigate students' understandings of enzyme representations. Journal of College Science Teaching, 42 (1), 45-49.
-
(2012)
Journal of College Science Teaching
, vol.42
, Issue.1
, pp. 45-49
-
-
Linenberger, K.J.1
Bretz, S.L.2
-
39
-
-
33748091067
-
The knowledge integration perspective on learning and instruction
-
In R. K. Sawyer (Ed.),. New York, NY, USA: Cambridge University Press.
-
Linn, M. C., (2006). The knowledge integration perspective on learning and instruction. In, R. K. Sawyer, (Ed.), The Cambridge handbook of the learning sciences (pp. 243-264). New York, NY, USA: Cambridge University Press.
-
(2006)
The Cambridge Handbook of the Learning Sciences
, pp. 243-264
-
-
Linn, M.C.1
-
40
-
-
78649707528
-
The role of intuitive heuristics in students' thinking: Ranking chemical substances
-
Maeyer, J., &, Talanquer, V., (2010). The role of intuitive heuristics in students' thinking: Ranking chemical substances. Science Education, 94 (6), 963-984.
-
(2010)
Science Education
, vol.94
, Issue.6
, pp. 963-984
-
-
Maeyer, J.1
Talanquer, V.2
-
41
-
-
0002918576
-
Why some students don't learn chemistry: Chemical misconceptions
-
Nakhleh, M. B., (1991). Why some students don't learn chemistry: Chemical misconceptions. Journal of Chemical Education, 69 (3), 979-985.
-
(1991)
Journal of Chemical Education
, vol.69
, Issue.3
, pp. 979-985
-
-
Nakhleh, M.B.1
-
42
-
-
84872332744
-
Towards a learning progression of energy
-
Neumann, K., Viering, T., Boone, W. J., &, Fischer, H. E., (2013). Towards a learning progression of energy. Journal of Research in Science Teaching, 50 (2), 162-188.
-
(2013)
Journal of Research in Science Teaching
, vol.50
, Issue.2
, pp. 162-188
-
-
Neumann, K.1
Viering, T.2
Boone, W.J.3
Fischer, H.E.4
-
43
-
-
0041078917
-
A report of undergraduates' bonding misconceptions
-
Nicoll, G., (2001). A report of undergraduates' bonding misconceptions. International Journal of Science Education, 23 (7), 707-730. (Pubitemid 33595638)
-
(2001)
International Journal of Science Education
, vol.23
, Issue.7
, pp. 707-730
-
-
Nicoll, G.1
-
44
-
-
51249092117
-
An investigation into the relationship between students' conceptions of the particulate nature of matter and their understanding of chemical bonding
-
Othman, J., Treagust, D. F., &, Chandrasegaran, A., (2008). An investigation into the relationship between students' conceptions of the particulate nature of matter and their understanding of chemical bonding. International Journal of Science Education, 30 (11), 1531-1550.
-
(2008)
International Journal of Science Education
, vol.30
, Issue.11
, pp. 1531-1550
-
-
Othman, J.1
Treagust, D.F.2
Chandrasegaran, A.3
-
45
-
-
35948984118
-
Some student misconceptions in chemistry: A literature review of chemical bonding
-
Ozmen, H., (2004). Some student misconceptions in chemistry: A literature review of chemical bonding. Journal of Science Education and Technology, 13 (2), 147-159.
-
(2004)
Journal of Science Education and Technology
, vol.13
, Issue.2
, pp. 147-159
-
-
Ozmen, H.1
-
46
-
-
48749122980
-
Exploring the phenomenon of'change of phase'of pure substances using the microcomputer-based-laboratory (MBL) system
-
Pierri, E., Karatrantou, A., &, Panagiotakopoulos, C., (2008). Exploring the phenomenon of'change of phase'of pure substances using the microcomputer-based-laboratory (MBL) system. Chemistry Education Research and Practice, 9 (3), 234-239.
-
(2008)
Chemistry Education Research and Practice
, vol.9
, Issue.3
, pp. 234-239
-
-
Pierri, E.1
Karatrantou, A.2
Panagiotakopoulos, C.3
-
47
-
-
84983946018
-
Accommodation of a scientific conception: Toward a theory of conceptual change
-
Posner, G. J., Strike, K. A., Hewson, P. W., &, Gertzog, W. A., (1982). Accommodation of a scientific conception: Toward a theory of conceptual change. Science Education, 66 (2), 211-227.
-
(1982)
Science Education
, vol.66
, Issue.2
, pp. 211-227
-
-
Posner, G.J.1
Strike, K.A.2
Hewson, P.W.3
Gertzog, W.A.4
-
48
-
-
0031534063
-
Individual differences and strategy selection in reasoning
-
Roberts, M. J., Gilmore, D. J., &, Wood, D. J., (1997). Individual differences and strategy selection in reasoning. British Journal of Psychology, 88 (3), 473-492.
-
(1997)
British Journal of Psychology
, vol.88
, Issue.3
, pp. 473-492
-
-
Roberts, M.J.1
Gilmore, D.J.2
Wood, D.J.3
-
49
-
-
68149183923
-
Developing a learning progression for scientific modeling: Making scientific modeling accessible and meaningful for learners
-
Schwarz, C. V., Reiser, B. J., Davis, E. A., Kenyon, L., Achér, A., Fortus, D,., Krajcik, J., (2009). Developing a learning progression for scientific modeling: Making scientific modeling accessible and meaningful for learners. Journal of Research in Science Teaching, 46 (6), 632-654.
-
(2009)
Journal of Research in Science Teaching
, vol.46
, Issue.6
, pp. 632-654
-
-
Schwarz, C.V.1
Reiser, B.J.2
Davis, E.A.3
Kenyon, L.4
Achér, A.5
Fortus, D.6
Krajcik, J.7
-
50
-
-
84864321481
-
-
Washington, DC: The National Academies.
-
Singer, S. R., Nielsen, N. R., &, Schweingruber, H. A., (2012). Discipline based education research. Washington, DC: The National Academies.
-
(2012)
Discipline Based Education Research
-
-
Singer, S.R.1
Nielsen, N.R.2
Schweingruber, H.A.3
-
51
-
-
84856036881
-
University students' conceptions of bonding in melting and dissolving phenomena
-
Smith, K. C., &, Nakhleh, M. B., (2011). University students' conceptions of bonding in melting and dissolving phenomena. Chemistry Education Research and Practice, 12 (4), 398-408.
-
(2011)
Chemistry Education Research and Practice
, vol.12
, Issue.4
, pp. 398-408
-
-
Smith, K.C.1
Nakhleh, M.B.2
-
52
-
-
0034488449
-
Individual differences in reasoning: Implications for the rationality debate
-
Stanovich, K. E., &, West, R. F., (2000). Individual differences in reasoning: Implications for the rationality debate ? Behavioral and Brain Sciences, 23 (5), 645-665.
-
(2000)
Behavioral and Brain Sciences
, vol.23
, Issue.5
, pp. 645-665
-
-
Stanovich, K.E.1
West, R.F.2
-
54
-
-
42649127503
-
Conceptual resources for learning science: Issues of transience and grain-size in cognition and cognitive structure
-
Taber, K. S., (2008). Conceptual resources for learning science: Issues of transience and grain-size in cognition and cognitive structure. International Journal of Science Education, 30 (8), 1027-1053.
-
(2008)
International Journal of Science Education
, vol.30
, Issue.8
, pp. 1027-1053
-
-
Taber, K.S.1
-
55
-
-
70449598357
-
College students' conceptions of chemical stability: The widespread adoption of a heuristic rule out of context and beyond its range of application
-
Taber, K. S., (2009a). College students' conceptions of chemical stability: The widespread adoption of a heuristic rule out of context and beyond its range of application. International Journal of Science Education, 31 (10), 1333-1358.
-
(2009)
International Journal of Science Education
, vol.31
, Issue.10
, pp. 1333-1358
-
-
Taber, K.S.1
-
56
-
-
77950960546
-
Learning at the symbolic level
-
In D. F. Treagust & J. K. Gilbert (Eds.),. Dordrecht: Springer.
-
Taber, K. S., (2009b). Learning at the symbolic level. In, D. F. Treagust, &, J. K. Gilbert, (Eds.), Multiple representations in chemical education (pp. 27-108). Dordrecht: Springer.
-
(2009)
Multiple Representations in Chemical Education
, pp. 27-108
-
-
Taber, K.S.1
-
57
-
-
84863662863
-
Writing-to-teach: A new pedagogical approach to elicit explanative writing in undergraduate chemistry students
-
Vázquez, A. V., McLoughlin, K., Sabbagh, M., Runkle, A. C., Simon, J., Coppola, B. P., &, Pazicni, S., (2012). Writing-to-teach: A new pedagogical approach to elicit explanative writing in undergraduate chemistry students, Journal of Chemical Education, 89 (8), 1025-1031.
-
(2012)
Journal of Chemical Education
, vol.89
, Issue.8
, pp. 1025-1031
-
-
Vázquez, A.V.1
McLoughlin, K.2
Sabbagh, M.3
Runkle, A.C.4
Simon, J.5
Coppola, B.P.6
Pazicni, S.7
-
58
-
-
77449122076
-
The framework theory approach to the problem of conceptual change
-
In S. Vosniadou (Ed.),. New York: Routledge.
-
Vosniadou, S., Vamvakoussi, X., &, Skopeliti, I., (2008). The framework theory approach to the problem of conceptual change. In, S. Vosniadou, (Ed.), International handbook of research on conceptual change (pp. 3-34). New York: Routledge.
-
(2008)
International Handbook of Research on Conceptual Change
, pp. 3-34
-
-
Vosniadou, S.1
Vamvakoussi, X.2
Skopeliti, I.3
-
59
-
-
68149180014
-
Measuring progressions: Assessment structures underlying a learning progression
-
Wilson, M., (2009). Measuring progressions: Assessment structures underlying a learning progression. Journal of Research in Science Teaching, 46 (6), 716-730.
-
(2009)
Journal of Research in Science Teaching
, vol.46
, Issue.6
, pp. 716-730
-
-
Wilson, M.1
|